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

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Shop selling 500 flavors of soda has something for everyone.

The sign at the garden gate reads: "These Plants Can Kill."

Resting place of Hollywood's immortals is also site of summer film screenings.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Rippling sand dunes frozen in the Arizona rock.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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