Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Stockholm's deepest subway station is also a stunning ecological wonder.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The library's graceful rotunda is like a bibliophile's temple.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

These spooky and unusual stone formations create an underworldly landscape.

CERN's beautiful, bending sculpture is a tribute to the spread of knowledge.

A communal oasis on Lake Zurich.

This famous writer's tombstone is a literary pilgrimage site that was publicly defiled by a rival.

A rare, flower-shaped example of Brutalist architecture in Switzerland.

The World Wide Web was created in this nondescript corridor at CERN.

Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

An 11th-century fortress home to one of the most influential royal houses in medieval Europe.

Standing stones found on a construction site are re-erected.

The world's longest and deepest train tunnel.

Abbey built on the ruins of Roman catacombs.

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

World's largest permanent maze made of 18,000 conifers.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.