Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

This mountain tram provides stunning views while hanging from a single, steel thread.

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Tubing through a cave lit with glowworms is a magical underground experience.

This sheep farm has been forever transformed since being built for “The Hobbit” film series.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The prototype for all Nazi concentration camps.

This German version of Universal Studios holds a vault of treasures from the NeverEnding Story.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

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

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

Romania's triumphal arch looks out over Bucharest.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.