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

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

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

Built in the 1300s, this magnificent building that hosted England's kings and queens transports you to the Middle Ages.

Built by the patron saint of illusionists this Elizabethan manor house is riddled with secret cubbies for hiding priests.

In an arboretum with hundreds of memorials to the fallen, this one might be the most poignant.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

A giant snail sculpture looking longingly at the German traffic museum.

An early masterpiece of Le Corbusier, a famed Modernist architect, hiding in plain sight.

This grand hydraulic installation has provided water for townspeople since the Middle Ages.

These giant sculptures are supported by a bizarre menagerie of feet.

A giant piece of cutlery designed to remind us about the origins of our food.

A vortex fountain that seems to rise out of the ground.

A deserted medieval village where bodies were once mutilated to prevent them rising from the dead.

WWII artifacts, including the building itself.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Scotland's only funicular railway is also the United Kingdom's highest.

A bike train runs along a disused railway line through the tranquil French countryside.

This bike path was sunk below water level for maximum wonder.

This bike path traverses the treetops.

Cycle the solar system—from the sun to Pluto—right here on earth.

Flames have been burning within this mountain for more than 2,500 years.

A fiery crater has been burning in the Karakum Desert since 1971.