Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Legends surround an ancient tree trunk riddled with nails for good luck.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

This former insane asylum now holds a pathological anatomy museum.

Part of this hotel resides in Switzerland, the other in France, and the border splits the honeymoon suite.

The world's longest and deepest train tunnel.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

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

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

The bears of Bern have been a city highlight for over 500 years.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

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

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

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

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

Walk in the footsteps of the gods and straddle two tectonic plates.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

The official meeting point for the oddly named governing assembly of ancient Sweden.