19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

A natural gas leak provides a flickering flame beneath a waterfall.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

A castle built by an eccentric medieval enthusiast in rural Ohio.

A science teacher's dream.

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.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

Most famous work of one of Frank Lloyd Wright's sons.

The only rotating bar in New Orleans has been slowly spinning since 1949.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Sniff the Titan Arum's rotting flesh.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

All that's left of the quintessential "cabin in the woods."