Climb the dead electric pylons of Messina.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Mexico's astounding mummy museum with "the world's smallest mummy."

A bizarre house filled with an astounding array of collections.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

Sniff the Titan Arum's rotting flesh.

A hidden architectural treasure in New York's Brooklyn.

A curious friendship between two inanimate ladies.

The Pope’s secret escape route.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

Oriental bazaar in the heart of Sarajevo.

A once great mansion stands in stately ruin.