The great Danube river starts here.

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

A small but immensely extravagant palace built by the "Night King."

A memorial dedicated to those who lost their lives working in what is now a massive tourist attraction.

A beautiful gorge filled with streams and waterfalls.

A unique bridge with an equally unique view.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

A kindergarten shaped like a cat with a tail that's a slide.

Four-story slides send people whizzing through the math department at this Munich university.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

This painted Lego bridge is the product of over a century of locomotive history.

A subterranean display of public art and architecture.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

No need to strap in for a "ride" on this walkable roller coaster.

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

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

A striking 12th-century-style castle built on the edge of a cliff.

An Italian hillside ghost town.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

A massive observation tower that features gorgeous views and unique architecture.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.