A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's only museum devoted to the wonders of fluorescence.

This fascinating abbey is considered the oldest monastery in the region.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

These medieval ruins have survived since the 12th century, even providing shelter from the Nazis.

An often-shuddersome journey into a low-tech, robotic themepark.

A unique underground structure dating back to the 1st century BC.

The home where the famous astrologer wrote some of his most telling prophecies.

A high point in Vancouver kitsch.

Over 120,000 curious objects that have shaped our modern world.

This beautiful Miami garden was designed as a laboratory for tropical plants.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

An outsider art duo's yard has been turned into a whimsical public gallery.

A crazy maze of a hostel, where every trap door and secret entrance brings you to a new wacky, wonderful room.

This artificial archipelago was supposed to resemble a map of the world.

Nepal’s last remaining population of wild water buffalo and many other rare species call this reserve home.

Florentine Renaissance style building in Switzerland, home to the world's largest taxidermy Great White Shark.

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

A miniature diorama that recounts the brilliant stories of author and filmmaker Marcel Pagnol.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

One part local history, 99 parts gruesome haunted house.