This historic crypt was said to have been designed and built by the very person who is buried inside of it.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

A Circus legend leaves an unexpected endowment.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

It's a pretty creepy lock-up.

This is one really big nut.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The world's largest rotating world.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Pizza with a side of fine art.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

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

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

Home to first responders to Greenpoint's devastating oil fires.

This 19th century brick building in Brooklyn stands out like the anachronistic landmark that it is.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.