A modernist landscape of water and sci-fi concrete.

An acoustic anomaly with a mysterious cause.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

A beautiful Victorian-era cemetery, complete with a miniature village.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

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

An underwater city for the dead.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

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

A Hawaiian stairway to heaven—that you can't climb.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.