A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

Rubbing the buttons along this statue's coat is considered good luck.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

This park built on a former fortress has a reputation for romance.

A unique sculpture calls the outside of this steakhouse home.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

A medieval setting reimagined into a unique art alley.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

This sinister Baroque entryway could lead you to a terrible fate.

The mysterious “eyes of the Devil” dot a street in the occult center of Italy.

This building has a giant piercing through one of its corners.

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

Caves famous for the dragon-slaying saint who lived there.

Visit Europe's largest subterranean waterfall, carved by water from the glaciers of the towering peaks surrounding the valley.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

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

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

In one of the world's smallest countries, a royal's personal winery is open to the public.

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

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.