It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

An abandoned World War II tank left to rust in the downland.

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

This star-shaped artillery fort protected the mouth of the Thames from the 16th century to the Second World War.

The final resting place of hundreds of Polish airmen who died fighting the Nazis in Britain.

This aircraft museum is home to one of just three Halifax bombers in the world.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

After years of being casually peed on by humans, this tree is peeing back.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

This dockworkers' lunch joint has been left leaning by a century of storm floods.

This wooden hotel is a temple to German sustainability and forest conservation.

A wunderkammer of exoticism immortalized by Tom Waits.

Executed in 1401, Exhumed in 1878, Stolen in 2010.

Model Trains and Much More in Hamburg.

Hamburgers are intensely proud of their tunnel beneath the river.

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

These beautiful objects represent beautiful ideas.

The history of German architecture is explored across this fairy-scale mini-city.

At this cemetery, artists are invited to design their own gravestones.

A modern museum dedicated to the fairytales and dictionary work of the Brothers Grimm.