The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

Wax models of disease and deformity are on display at this German medical museum.

Enter the cabin of a life-sized Hindenburg replica.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

A German apartment building hosting as many trees as human occupants.

Blitzkrieg bop your way through Berlin's Ramones Museum.

An elevator into the Baltic Sea.

A unique, free-floating electric ferry may be the only of its kind in Europe.

The home of the morbid art of corpse plastination is open for visitors to view the fascinating, but stomach-churning process.

Mysterious painted skulls in Moravia.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

This old and disused water tower has received a new life as an art gallery with a piano staircase.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

The secret cells in the basement of the KGB's Estonian "Grey House" have been preserved as a grim Cold War museum.

A forest park outside Tallinn full of architectural and artistic curiosities.

This small Estonian hill is covered in hand-made twig crosses that are said to bring good luck.

Wars fought and wars won are remembered by these abandoned bunker ruins.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

Things aren't quite what they seem at this mind-bending museum.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.