Made from trees and then abandoned, this fence is still growing along a path in Germany.

There are two dozen tanks just sitting in an open field in Lower Saxony.

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

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

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

The largest brick bridge in the world.

The last bastion of Roman presence north of the Alps looms over a German town.

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

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

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A meteorite-bounded town in Bavaria.

A strange rock formation with numerous legends trying to explain it.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

This painted Lego bridge is the product of over a century of locomotive history.

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

A former ironworks that was the first UNESCO industrial site.

An industrial relic is now one of Europe's most staggering art spaces.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

Remnants of an exploded schooner and wrecked submarines form a breakwater.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

This 600-year-old home seems to defy physics.

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

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