Abandoned bridge hidden deep in the San Gabriel Mountains.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

A picture-perfect town, perfect for blowing up.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A castle built by an eccentric medieval enthusiast in suburban Ohio.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

An essential stop before plundering, BYO Cutlass.

The angel of death appears to weep black tears at this grave marker.

The second oldest continuously operating bar in Louisiana.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The largest self-built castle in the U.S., six decades in the making.

A modernist landscape of water and sci-fi concrete.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

An underwater city for the dead.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

A hands-on traveling collection of the innovative devices of yesteryear.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."