The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

A former Nazi lookout tower with a magnificent view of the Rhineland.

A former ironworks that was the first UNESCO industrial site.

Underneath a chalk hill in France lies what Hitler hoped would be the underground launching base for a devastating new weapon.

A village on the east coast of England that has almost completely eroded into the North Sea.

A Cold War command center is hidden under an idyllic countryside.

This Belgian theme park began as a refuge for bored church children and was closed down when a boy lost an arm.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

A collection of biblical memorabilia.

This historic Dutch newspaper building is covered with media-themed details—and one unrelated oddity.