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

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

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

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

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

The most visited, and possibly most controversial, museum in Germany.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

A slice of central Asia in the middle of Berlin.

Started as a kitchen garden, now the second largest botanical garden in the world.

This residence straddles a border between Belgium and the Netherlands.

The elevator that makes it possible to fly American flags in bulk over the U.S. Capitol

Off-limits and full of venomous pit vipers, Brazil’s Snake Island has a frighteningly apt nickname.

This tiny museum hidden above a restaurant houses thousands of modern and traditional kites.

Fine dining in the bizarre world of Lewis Carroll.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

The earliest known map to show America, discovered by accident at a Paris bookshop.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.