Rocky outcrops containing overhangs, caves, fissures, clefts, and alcoves that invite exploration and scrambling.

According to local legend, this church was built with two doors, so that residents of two rival villages had their own entrances.

This maze-like, oceanfront gift shop—the nation’s largest— has been serving kitsch to the Myrtle Beach community for over 80 years.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The first declared National Monument in the United States.

America's largest man-made forest was planted in an effort to bring back the past.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

New fungal and bacterial species call this deadly lake home.

One of the world's largest model railroads is a mind-boggling achievement.

Collapsing castle on the Hudson river was once the storage site of military surplus business.