The townhouse where the English poet created some of his most influential work has been preserved in tribute.

An incarceration museum on the spot of possibly the oldest prison in England.

Eighty million natural history specimens call this gargantuan museum home.

A popular European tradition makes its way to the states on one of America's most famous bridges.

A daily replay of the experiment that proved the rotation of the Earth.

Yo, Adrian!

The abandoned coal loading dock is a canvas for unsanctioned art.

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

World's first "penitentiary," meant to be humane, drove men insane.

Whale bones, scrimshaw, and sperm oil make up just a part of this comprehensive collection of whaling history.

An eccentric playboy's astounding natural history collection.

The site of a tragic massacre that spawned a multimedia franchise.

Avoid gangster interaction while window-shopping.

Lie in a hammock where George Washington stood.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A semi-scholarly approach to sex.

Send a postcard while vacationing with Satan.

A private collection of over 30,000 ancient and modern items showcasing the beauty of Islamic calligraphy.

Go inside to really appreciate this 500-year-old technological masterpiece.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This abandoned hospital is one of the most haunted places in Costa Rica.