Statue of a decomposing prince that once held his heart in its hand.

Be it nature, art, or abandoned military architecture this eclectic German "museum" has you covered.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

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

A towering baroque basilica jutting out of the French countryside.

This small window display is dedicated to the noble carrot.

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

Ancient man-made caves underneath small town Belgium.

Medical history with an amazing, if frighting, collection of wax diseases on display.

A visionary precursor to the Internet made of index cards.

Only museum in the world devoted to bookbinding and book arts holds a permanent collection representing five centuries.