Year in Review: What Were They Thinking?
From political gaffes to misbehaving athletes, 2010 was a wild ride for some.
The Most Popular 'GMA' Stories of 2010!
Elin Nordegren, Lindsay Lohan and Joran van der Sloot made the list.
Best of '20/20' 2010: Sex Tapes, Political Scandals, Swim Coach Molestation
A look at "20/20's" most popular stories from the past year.
Best of 'Nightline' 2010: Celeb Sex Tapes, Acai Berries
A look at "Nightline's" most popular stories from the past year.
Your Favorite 'GMA' Recipes This Year!
Slow-cooker successes, pot roast and beef bourguignon made the list.
ABC News: Top Senate Races
Republicans face a tougher road for control of the Senate than the House.
Coast-to-Coast Drama: Top House Races
Candidates are facing tough races in Ohio, Virginia, Hawaii and more.
ABC News: Top Governor's Races
Candidates Facing Tough Races in New Mexico, Texas, California and Rhode Island
Watch: 2010's Top 5 Awkward TV Moments
Mariah Carey, Sarah Palin, Kanye West and more made for awkward television.
Watch: What Were They Thinking?! The 2010 Edition
Taking a look back at some of this year's head-scratching moments.
Watch: 2010 Deadliest Year
Michio Kaku examines the likelihood of natural disasters occurring in 2011.
Watch: 2010's Most-Shared Video on YouTube
Lip sync of a Katy Perry song was viewed more than 24 million times.
Watch: 'GMA' in Review: 2010's Top Moments
Check out 2010's top news stories, the biggest interviews and the year in dance.
Watch: 2010's 15 Minutes of Famers
A deodorant pitchman and online music sensation top this year's list.
Watch: 2010 in Just 90 Seconds
Julian Assange; Betty White; Bed Bugs; World Cup Noisemakers; Royal Wedding.
Watch: 2010's Best Political Meltdowns
George Stephanopoulos breaks down 2010's buzzy and heated political moments.
Watch: Most Intriguing Interviews of 2010
From the Obamas to Mark Zuckerberg, David Muir highlights 2010 interviews.
Watch: 'World News' Person of the Week
Diane Sawyer shares memorable "Person of the Week" segments from 2010.
Watch: Celebrity Scandals of 2010
Celebs making headlines in 2010 include the "Jersey Shore" cast and Mel Gibson.
Watch: Best Tech Gadgets of 2010
Apple's iPad and Microsoft's Kinect drew a lot of tech attention in 2010.
Watch: What Trends Will Define 2011?
Jane Buckingham predicts what will capture our attention in the new year.
Watch: Tim King and Chicago's Urban Prep Charter Academy
Entire senior class at Urban Prep Charter Academy is accepted to 4-year schools.
Watch: Norman Hatch
One filmmaker in WWII brought the images of war home to a nation.
Watch: Betty Tisdale
In 1975, Betty Tisdale saved an orphanage full of Vietnamese children.
Watch: Staff Sgt. Derek Farley
The brave soldier's parents recall he was proud to save other soldiers' lives.
Watch: Daniel Donohue
Daniel Donohue discovered suspect Faisal Shahzad was on a plane.
Watch: Ed Stafford
Ed Stafford has spent the past two years on a 4,000 mile rainforest journey.
Watch: Luke Jerram Piano Man
Putting pianos in busy public spaces has surprising results.
Watch: Harper Lee
A look at the woman behind the most widely read 20th American century novel.
Watch: 9/11 Babies
Diane Sawyer speaks with children whose fathers died nine years ago.
Watch: Jane Goodall
Goodall has spent 50 years as ambassador to chimpanzees.
Photos: Barbara Walters' 10 Most Fascinating of 2010!
Gen. David Petraeus, "Jersey Shore" cast and more on Barbara Walters' list.
Photos: TIME Person of the Year
Time Magazine's Person of the Year
Photos: Most Intriguing Political Ads of 2010
Rewinding some of the best political ads from the 2010 campaign season
Photos: Top Places to Visit in 2011
Lonely Planet looks at the hottest trends, destinations and experiences in 2011.