Nature: The White Lions (8pm, UNC-TV) - The experiences of two white lion cub sisters in South Africa's Kruger National Park are chronicled. Due to their inability to blend in with their surroundings, the critters face a tougher life than their tawny kin.

Modern Family (9pm, ABC) - Oh no, another travel episode. The entire Pritchett family goes to Disneyland.

Revenge (10pm, ABC) - An episode set in 2002 focuses on a young, reckless Amanda before she transformed into Emily. Nolan persuades her to read her dad's journals, which serve as a catalyst for her to spy on the Graysons and develop a plan to get justice for her father.

CSI (10pm, CBS) - The 12th season concludes with the CSIs investigating the murders of three people whose bodies are found a few blocks away from the site of a campaign dinner.

Around the World in 80 Plates (10pm, Bravo) - A new reality series in which twelve chefs compete in a globe-spanning culinary race. The premiere episode's destination is London, where players learn about regional food culture and participate in a pub crawl. Nigella Lawson appears.

Law & Order: SVU (10pm, NBC) - Detectives investigate a string of hate crimes against gay men, and the victims include the new fiance of Fin's son.

Nature: Ocean Giants (8pm, UNC-TV) - A three-hour special on the underwater world of whales and dolphins. Included, the human-like qualities of the animals and their reliance on sound underwater.

American Idol (8pm, Fox) - Contestants have one last chance to win over the judges before the first group of semifinalists are revealed.

Raising Renee (8pm, HBO) - NCCU professor Beverly McIver tells her story of caring for her mentally disabled sister. Adrienne's review.

Modern Family (9pm, ABC) - Gloria learns a secret that Claire has been hiding, and one of Jay's proudest golf moments is ruined by Mitchell.

Happy Endings (9:30pm, ABC) - The end of winter signals  "Spring Smackdown," when Jane (Eliza Coupe, right) and Brad (Damon Wayans Jr., right) have their annual domestic dispute.

Royal Pains (10pm, USA) - Hank struggles to accept Jack's illness in the Season 3 finale, and Evan joins Boris' cousin to look into an experimental treatment.

American Weed (10pm, National Geographic Channel) - A new short series that takes an in-depth look at Colorado's medical marijuana industry. Tonight's episode profiles Fort Collins dispensary owners who face the possibility of having their businesses shut down should voters approve Proposition 300.

CSI (10pm, CBS) - The CSIs investigate when a house is stolen from its foundation. Also, Julie displays her skills in blood analysis.

Note: No new "Revenge" tonight.

Nature: Raccoon Nation (8pm, UNC-TV) - A look at urban raccoons, which are commonplace in big cities like Toronto, New York and Chicago. Night-vision cameras and radio collars provide a glimpse of the raccoon lifestyle, and there's also a look at the damage the critters have done in Japan, where they were imported as pets during the 1970s. Includes comments from a biologist who believes city life is making raccoons even smarter (they will rule us one day!). I know they can be destructive, but man, how adorable are they???

Person to Person (8pm, CBS) - In this revival of CBS's iconic primetime interview show, Charlie Rose and Lara Logan, both of the new "CBS This Morning" (which is very good, by the way), interview newsmakers in their homes and workplaces. Tonight's interviews are with George Clooney, Warren Buffett, and Jon Bon Jovi.

American Idol (8pm, Fox) - The Hollywood Round begins. Finally.

Modern Family (9pm, ABC) - Phil's preoccupation with a business opportunity blinds him to his new partner's inappropriate behavior around Claire.

Duke at North Carolina (9pm, WRAL) - You may not have heard anything about this, but it's happening. If you miss your normal CBS shows, WRAL will air "Criminal Minds" at 2 a.m. and "CSI: NY" at 3 a.m., which is a little different from their normal rebroadcast schedule. 

Revenge (10pm, ABC) - Birdies tell me some pivotal stuff goes down tonight, so pay attention. It may have something to do with the visit from Conrad's father, played by William Devane. Or it may not.

L&O: SVU (10pm, NBC) - Harry Connick Jr. is back. That is all.

2011 American Music Awards (8pm, ABC) - Scheduled performers include Justin Bieber, Katy Perry, Marc Anthony, Christina Aguilera, Kelly Clarkson, Mary J. Blige, Pitbull, and LMFAO.  Winners for the show are determined by fan voting.

Nature: My Life as a Turkey (8pm, UNC-TV) - "My Life as a Turkey" chonicles a yearlong experiment of naturalist-writer Joe Hutto, portrayed here by wildlife photographer Jeff Palmer, who raised a dozen wild turkey hatchlings to adulthood. For one year deep in the wilds of Florida, Hutto spent each day out and about as a "wild turkey" with his family of chicks, until the day came when he had to let his children grow up and go off on their own -- something that was harder than Hutto ever imagined.

The Walking Dead (9pm, AMC) - Glenn becomes the keeper of a pair of secrets (SERIOUSLY -- HOW CAN HE KEEP "THE BARN" A SECRET!?!?), and Andrea develops a new skill and is forced to rely on it during a life-or-death confrontation.

Dexter (9pm, Showtime) - Lessons learned from Brother Sam prove instrumental in Dexter's case, while Debra and Capt. LaGuerta clash over an investigation into the death of a call girl.

Homeland (10pm, Showtime) - While Carrie and Saul are left reeling by the news that Walker is still alive, the intelligence organizations squabble over how to capture him. The FBI leans toward using the public's help, but Carrie thinks they should use his family to draw him out. Elsewhere, Brody sets out to find a mysterious man who has surprising info about his years as a captive.

Hell on Wheels (10pm, AMC) - An unexpected obstacle impedes Cullen's search for the sergeant, and Durant convenes a search party to track down Lily (and her maps) in the wilderness.

Woody Allen: A Documentary (10:30pm, UNC-TV) - The first part of a two-part documentary by Robert Weide documents the life and career of filmmaker Woody Allen. Part two airs tomorrow night at 10 p.m.

Need help identifying a plant? If you have a smartphone, the app Leafsnap can help by analyzing a photo of a leaf from the mystery vegetation.

The word on this app is spreading like weeds. It is currently available for the iPhone, but developers will ...branch out with Android and iPad versions. It is focused on plants mostly native to the Northeastern U.S., but hopefully they can grow that quickly.

Check out the video on the jump or at this link.

The Kennedys (8pm, Reelz) - This controversial mini-series about the Kennedy clan begins tonight. We didn't get an advance copy to view and we've only heard horrible things about it, which is a shame considering the cast: Tom Wilkinson, Greg Kinnear, Barry Pepper, and Katie Holmes.

Academy of Country Music Awards (8pm, CBS) - Seriously. How many country music awards shows are there every year? Reba McEntire and Blake Shelton host this one from Las Vegas. Miranda Lambert leads nominations with seven. Scheduled to perform: Lambert, Taylor Swift, Keith Urban, Brad Paisley, Jason Aldean, Toby Keith.

Nature (8pm, UNC-TV) - "Outback Pelicans" looks at Australia's nomadic pelicans, which travel over 1000 miles inland to feast on fish and brine shrimp that appear in the usually dry Lake Eyre (which is the size of Texas, Oklahoma, and New Mexico combined) whenever it floods.

The Killing (9pm, AMC) - AMC's newest series is an adaptation of a wildly popular Danish TV crime drama, intertwining three perspectives of a murder in Seattle. In tonight's two-hour opener, Detective Sarah Linden's last day on the job is interrupted by the murder investigation of a 17-year-old girl who was supposed to be spending the weekend with a friend. Linden is played by Mireille Enos ('Big Love'). Billy Campbell ('Once and Again') also stars. Check out our review.

The Borgias (9pm, Showtime) - The premiere of a new 10-part drama about the infamous Renaissance-era Italian family headed by Rodrigo Borgias (Jeremy Irons) who schemes his way into being elected Pope Alexander VI.

Mildred Pierce (9pm, HBO) - In part three of five, Mildred (Kate Winslet) opens her restaurant despite suffering a great personal loss. Thanks to Ida and Lucy, her business becomes the talk of the town. Mildred also grows impatient with boyfriend Monty's spoiling of young Veda.

Celebrity Apprentice (9pm, NBC) - This is the one where Meat Loaf absolutely loses it.

Desperate Housewives (9pm, ABC) - Paul Young tries to stop Susan from getting his dead wife's kidney.

Army Wives (9pm, Lifetime) - The aftermath of Jeremy's tragic death leads to life-changing decisions for the wives.

Body of Proof (10pm, ABC) - No, you're not crazy. This new Dana Delany drama normally airs on Tuesday nights at 10pm. Consider tonight a special ... treat? Tonight, a young interracial couple is found shot and killed in their car and Dr. Hunt finds evidence that contradicts the police theory of the crime. 

Broken Tail: A Tiger's Last Journey (8pm, UNC-TV) - In this "Nature" special, wildlife filmmaker Colin Stafford-Johnson follows the trek of Broken Tail, a 2-year-old tiger that disappeared from a tiger reserve in India and was killed by a train 100 miles away. Stafford-Johnson had spent 600 days filming Broken Tail and his family prior to the disappearance.

Amazing Race: Unfinished Business (8pm, CBS) - The 18th season starts with 11 former losing teams getting a second chance at the $1 million prize. The race starts in Palm Springs, California, and continues to Sydney, Australia, where the teams swim with sharks.

Saturday Night Live Backstage (9pm, NBC) - A two-hour behind-the-scenes special that focuses on the guest host experience. Told through clips and interviews.

Big Love (9pm, HBO) - Barb's choice of an ally in her pursuit of the priesthood displeases her mother (Ellen Burstyn) and Bill faces a Mormon boycott of his stores.

Episodes (9:30pm, Showtime) - In the season finale, the disastrous "Puck!" pilot wraps and a disappointed Sean (Stephen Mangan) and Beverly (Tamsin Greig) prepare to return to London. A final goodbye between Matt LeBlanc and Sean (left) takes an unexpected turn thanks to a missing Jaguar, a red-nosed reindeer, and cinnamon. There's some really funny physical comedy in this episode. Looking forward to a Season 2!

CSI: Miami (10pm, CBS) - The man who murdered Horatio's returns and spreads violence across Miami. Add in a ticking puck at an NHL All-Star game and we might have another "Threat Level Midnight" on our hands. Oops, wrong network.

Brothers & Sisters (10pm, ABC) - Nora is torn over a possible reconnection with her long-ago boyfriend Brody (Beau Bridges), and Justin tries to help a homeless veteran who doesn't want his help. Directed by Matthew Rhys, who plays Kevin on the show.

Is there one location in the state that takes your breath away every time you see it? Then here's your chance to spread the word. A coalition is sponsoring a contest to name the state's most beautiful
places, with the 10 best determined by online voters and a panel of prominent North Carolinians. You can submit nominations at www.landfortomorrow.org, or read more about the contest here. 

A marine biologist claims he has found a new species of crab. Discovered off Taiwan's southern coast, the crustacean resembles a strawberry. See larger photos on the jump.

Spring beauties, frisky frogs and other discoveries on an 80-degree walk in the woods.