An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Antiques shop filled with all manner of curious collectibles.

A mysterious taxidermy man-beast of the seven seas.

This playground sculpture of an icon from the past is dedicated to the children of the future.

A sacred lake composed of over 300 separate pools of highly concentrated minerals.

A sleepy little town that had the greatest landslide in North American history fall on it.

This massive and unusual rock formation near Okotoks is the world's largest known glacial erratic.

Historic site where Native American hunters once trapped and killed buffalo.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

The underground sanctuary of a mysterious ancient cult.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The Pope’s secret escape route.

Rumors and legends of secret Nazi activities surround this eerily remote island mansion.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

This semi-secret storybook hedge maze is also the oldest garden in the city.

The world's largest wooden structure.

Single runway interrupted by a busy road that cuts across its middle.

Elaborate tile work in this railway station tells the story of Portugal.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."