New Orleans' famous cemetery, located on the site of a former race track.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The highest point in Texas is capped by a big silver pyramid.

This is one really big nut.

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

A toxic ghost town sitting atop a massive coal fire.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

A downtown park built on top of unclaimed graves.

Curios, scientific antiques, oddities for sale.