80 years of the Battle of Peasholm on a small English lake.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

World's largest working waterwheel has been around for over 150 years.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

The largest greenhouse in the world is home to over one million types of plants.

A fantastic castle rumored to be the birthplace of King Arthur.

The curios of pharmacist and collector Henry Wellcome.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ancient snack bar of the Roman Empire re-opened.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

The ancient latrines of the Greeks, in all their public glory.

The once highest point in China blends symbolic design with a kick of adrenaline.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Traditional 15th century Chinese garden in the middle of Vancouver.