17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

The fairy tale castle of the "fairy-tale king."

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Home to items never before seen by the public.

The Tudor-style cottage in the middle of the square is not quite what it seems.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Megachurch turned Catholic church comprised of 10,000 glass panes.

A massive volcanic plug is now a protected area that hosts a number of bird species.

A hotel and restaurant serving as the mecca of kitsch.

An alley covered with 20 years of bubble gum.

A deserted hodgepodge of experimental structures designed by nearby university students.

A Mysterious Masonic tomb in San Luis Obispo.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The final resting place of a space program monolith.