The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

Dedicated to the "King of Soul."

A life-sized baby elephant tombstone marks the grave of a circus owner at a country church in southern Georgia.

This Russian bar-restaurant lies within a three-story underground bathhouse.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

An accidentally hidden library containing the ephemeral history of New York.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Visit the site of a subway powered by nothing more than air--and lots of it.

This monument claims to display the first pot used to cook a famed Southern stew.

The Okefenokee Swamp houses this "incredibobble" tribute to the creator of America’s favorite cartoon possum.

Death comes to anyone who dares to touch this concrete column.

Built in 1785, this residence is the oldest stone house in Georgia.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

Where you can experience the story of Appalachia, as told by Appalachians.

The first free library in Georgia features an original Tiffany stained glass window of Mary Willis.

This folk art compound was built by a fortune teller on the advice of three people from the future.

Shaped like a big top tent, this memorial honors the victims of a terrible train wreck.

Coca Cola may be "the real thing" but its inventor, buried at this Georgia gravesite, called it a "valuable brain tonic."

A stockpile of childhood lunch pails turned collectibles.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.