Eighty million natural history specimens call this gargantuan museum home.

A naturally mummified 2,000-year-old man.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

Hunt for buried treasure in Nova Scotia.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Mysterious meeting place for UFO hunters near Area 51.

An eatery for UFO seekers on the Extraterrestrial Highway.

Pennsylvania's own Roswell-style UFO mystery.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

San Francisco's newly reopened hands-on science museum.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

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

Amelia Earhart's possible place of death.

The first home of the doomed aviatrix Amelia Earhart.

On the Oregon coast there is a natural hole that seems to be draining the sea.

The most powerful waterfall in all of Europe.

A deadly ancient portal to the underworld.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.