Two thousand artifacts from around the world collected by one woman who loved to travel.

France's national museum of scientific and industrial instruments.

This Seattle curio shop collects and sells haunted items in order to spread wonder one grim artifact at a time.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This frequently-photographed waterfall takes only a short hike to visit.

This quirky curiosity shop takes its cues from the world's bazaars.

A beautiful but toxic fountain of mercury.

Eclectic collection of dark and macabre antiques.

A museum dedicated to exhibiting remarkable outsider art.

Peek through a transparent pyramid and drink in the mountain made of books.

The original "capsule building" is a masterpiece of Metabolist architecture.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

One of the largest, oldest, darkest, quietest motel rooms in the world.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A fantastic castle rumored to be the birthplace of King Arthur.

A science teacher's dream.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

This charmingly homemade amusement park has been growing for 40 years.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

A piece of outsider public art accompanied by a strange urban legend.