The longest escalator in the Western Hemisphere takes over three minutes to ride down.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

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

In the early 1800s, surgery was also a show.

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

A rare view of a preserved Victorian science museum.

This 15th century pub is one of only two pubs in England situated on consecrated ground.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

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

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

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

Remnants of a Victorian garden feature sitting in public woodland.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

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

Rare collection of medieval books under lock and key.

The curious and tiny collection contains some very odd objects.

Three bridges straddle a stream, one stacked upon the other.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

This lovely ancestral home inspired the author D.H. Lawrence, and features a tunnel made out of a living willow.