Think ordinary is boring? Explore the weird, the strange, the obscure, and the downright freaky.
With order comes disorder. Learn about chaos theory, controlled chaos and the butterfly effect.
From piano sonatas to violin concertos, explore the greatest songs and composers of classical music.
From AC/DC to The Who, they're called classics for a reason. Explore the best classic rock songs and bands.
Whether you like romantic comedies or black comedies, have a laugh by Stumbling through funny films.
Are the hamsters at the pet store too tame for you? Learn about sugar gliders, bobcats, parrots and more.
Calling all adrenaline junkies! Get your heart racing with extreme action and adventure sports.
Go fish! Whether they dwell in the ocean or in a tank, get photos and facts about our underwater friends.
Gadgets and gizmos aren't just for geeks. Check out the coolest new technology and electronics.
Guten tag! From Berlin to Munich, explore German history and culture. Ready for Oktoberfest yet?
Funny jokes, pictures or quotes...whatever your sense of humor, we have something to make you laugh.
How'd they do that!? Channel your inner wizard with card tricks, optical illusions, spells and more.
Music makes the world go round. Discover new bands, songs, lyrics, music videos and more.
Whether you strum the guitar or beat the drums, explore musical instruments and soon you'll be a one-man band.
A lot's happened since your first science fair. Learn about discoveries in space, biology and more.
Bored with reality? Explore the futuristic worlds of science fiction and fantasy.
Learn more about...us! Get the latest StumbleUpon news, product updates and other information.
From Roswell to the Phoenix Lights, learn more about UFO sightings and alien encounters.