This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

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

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

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

This 600-year-old home seems to defy physics.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

A luxury hotel housed in a former 15th century Gothic church.

The effect of this ancient form of image projection situated atop an 11th century Moorish palace is thrilling.

The Bristol Camera Obscura housed in an ancient windmill.

360° views of the city plus five floors of optical illusions and hands-on science.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

The world's tallest boat lift stands as a massive piece of industrial tourism.

What was once a bustling mining installation is now a bustling hub of contemporary art.

Where beer lovers can literally immerse themselves in beer.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

A small man-controlled waterfall powers an Art Nouveau elevator and is accessed via narrow gauge, solar-powered tramway.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.