A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

A permanent exhibition honors Queen, which recorded seven albums at the casino-based studio, including “Under Pressure” with David Bowie.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

Swiss vineyards in a UNESCO heritage site.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

The world's longest and deepest train tunnel.

This medieval footbridge in the Swiss Alps is known to attract cliff-jumping daredevils.

If James Bond bungee-jumped off the side of a 720-foot dam, would you do it too?

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A miniature train-ride through Slovenia's largest cave system.

Liechtenstein's royal family calls this medieval alpine castle home.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

This building has survived for more than a century and remains virtually untouched.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Once the home of a hermetic monk, this cave now houses a small church.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.