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

This modern arts center is built around a gem of late-Baroque architecture.

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.

A rare example of World War I trenches from the British front.

Meet the bronze beloved pet to a family of famous peeing statues.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

Hiding the longest subterranean river known in the world.

Cozy basement bar sports an inventory of over 2,000 beers.

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

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

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

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

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

Climb inside an iron crystal magnified 165 billion times its normal size.

Lavish royal estate punctuated with heated greenhouses.

This artistic fountain display pays homage to this area's theatrical history.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

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

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

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

A 200-year-old tavern challenges guests to finish a glass of wine while hanging from a ceiling beam.

Artworks by loners, prisoners and the criminally insane.

Medieval irrigation channels built into the sides of mountains provided Valais with water for hundreds of years.