This East German military command bunker was ready for World War III.

This historic little railroad runs through some of the most beautiful scenery in Germany.

A rare example of a German cemetery with traditional grave markers dating back several generations.

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

The largest brick bridge in the world.

The ruins of an abandoned crematorium haunt an eerie deserted German cemetery.

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

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

In 1830, cemetery workers in Cham unearthed a chamber housing thousands of skeletal remains from the 13th century, which can still be viewed today.

A former ironworks that was the first UNESCO industrial site.

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

Retirement home for giant obsolete machines.

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

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

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

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.

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

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

No need to strap in for a "ride" on this walkable roller coaster.

This "floating railway" is one of the world's oldest monorail systems.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A striking 12th-century-style castle built on the edge of a cliff.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.