Living trees form the structure of an open-air palace.

A Neolithic celestial calendar standing in a nondescript wheat field.

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

A monument to the "father of modern warfare" Gustav II Adolf.

This natural history museum houses one of the world's largest rat kings, a terrifying jumble of tangled rodents.

An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

Ruins of a German Castle on top of a towering stone pillar.

This stone amphitheater was once part of Nazi Germany's plan to promote propaganda.

An ornate century-old elevator still connects the two halves of Bad Schandau.

A small man-controlled waterfall powers an Art Nouveau elevator and is accessed via narrow gauge, solar-powered tramway.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

For centuries, Germans have been dancing in trees.

These 18th century gardens tell a rocky story of the son of Odysseus.

Beloved children's TV characters freckle the German city's streets.

At this unusual park, domes, ladders, chairs, and more are made from trees.

A Neolithic burial site erected around 3000 BC.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

Carved fountains poignantly placed in parks and in front of special monuments.

A rare chance to ride one of the few continuous elevators still in operation.