Ample proof that watery ends make for well-preserved, millenia-old mummies.

The "Prussian Versailles" that is as glorious today as when it was built.

This "floating railway" is one of the world's oldest monorail systems.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Ruins of a German Castle on top of a towering stone pillar.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

France's most famous cemetery, with some of its most curious tombs.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

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

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

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.