One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

This historic tower in the California desert promises visitors a "vortex of good vibes".

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

This mural celebrates the early integration of a New Hampshire baseball team.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

An informal walk of fame in front of a Hollywood office building remembers a comedic great and his associates.

This iconic water tower and failed bandstand is open for panoramic views once a year.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.