Dozens of Soviet-era trains and carriages fill this outdoor museum.

Archduke Ferdinand II's collection of rare objects is considered one of the oldest museums in the world.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The final resting place of many of Germany's most famous communists.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

An industrial site turned into Hungary's most cherished natural wonder.

For decades, Hungary's Communist Party insisted this gulag had never existed.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

The abandoned military base looks like a post-apocalyptic wasteland.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

Budapest's Communist-era statues, banished to the suburbs.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

A high point in Vancouver kitsch.

An abandoned logging settlement nestled in the woods near a popular ski town.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

The secret wartime bunker built on the platforms of an abandoned Tube station.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.