The extreme sport of cliff diving is as spectacular to watch as it is dangerous to do. Check out these images from the 2012 Red Bull World Series finale for proof. Keep reading >>

Anyone who goes to the beach is familiar with the sight of people diving beneath the waves, but these photos offer us a more unusual perspective – from below. Keep reading >>

These late 19th- and early 20th-century photographs from Florida show us what sport fishing was like during a now-faded time in America's history. Keep reading >>

Like a deep blue gemstone nestled in the Caucasus Mountains, this karst lake, one of the largest and deepest on Earth, guards dark and mysterious secrets in its depths. Keep reading >>

Being a big wave surfer isn't for the faint-hearted, as these photos of Jeff Rowley riding giant waves at Jaws, Hawaii; Albatross, Australia; and Mavericks, CA prove. Keep reading >>

Perhaps the only thing more claustrophobic than regular caving is cave diving. Yet as these amazing images of this giant underwater cave show, the rewards are also great. Keep reading >>

When nature's calling while you're out in nature, you can only hope to find an outhouse ASAP. We've found 13 that are more than just a bit remote... Keep reading >>