The symbol was surreptitiously built into the river bank by German prisoners of war.

Reproductions of nine banned oil paintings coyly hidden behind a curtain in a New Mexico conference room.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Leave it to Key West to drop a real-live drag queen instead of a ball to mark the arrival of the New Year.

The island residents are known for taking their quirky sense of humor with them to the grave.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

This public space is speckled with the eerie remnants of a defunct amusement park.

Rare recess caves fill this unbelievably beautiful Ohio park.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

Rows of 19th-century brick ovens used to process coal into coke form the center of a wooded park.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

Abandoned since the 1950s, the streetcar lane beneath the heavily trafficked bridge lays empty and unused.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

An elegant sandstone stairway built by the WPA still connects two neighborhoods in Akron.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

An enormous natural sandstone bridge in Kentucky.