The unbelievably opulent home built for an infamous newspaperman.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

The ghost town that ended up on Ebay.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This historic hotel invented the chocolate brownie.

Treehouse motel and treehouse-building school.

The loneliest island in New York.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Abandoned concert venue legendary for its rock counterculture.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

With the touch of a button, you can read a randomly selected short story.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

These abandoned grain silos and tunnels are an urban exploration dream.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

During the holidays, a vintage subway train whisks New Yorkers back in time.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Legends surround this jagged rock formation in the New Mexico desert.