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

The castle still holds traces of the abandoned Roman fort it was built atop.

Recently restored menagerie of Victorian-era beasts.

The ruins of a medieval monastery named after a type of tree.

This single room has survived the centuries with almost no deterioration.

An unusual manor of stunning beauty, born out of a crippling disease.

This artificial archipelago was supposed to resemble a map of the world.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

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

Oldest building in California still in use.

This landmark is a central figure in the Nez Perce origin story.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A spiritual vortex among the red rocks in Sedona.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

A surreal statue honoring Prague's favorite literary son.