This giant, 83-year-old ship elevator is an engineering feat to behold.

Solar observatory doubles as a daring display of Expressionist architecture, much to Einstein's chagrin.

The "Prussian Versailles" that is as glorious today as when it was built.

The metal-free wooden towers of Brück.

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.

Several of these strange cone-shaped bunkers can still be seen around the former Nazi headquarters.

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

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

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

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.