These abandoned Cold War-era bunkers are now a designated refuge for endangered bat species.

Sausages, schnitzel, and weiners.

The last Tsar of Russia constructed this private church just so he could attend services when visiting his wife's hometown.

This magnificent church allows travelers along one of Germany's busiest roadways a chance to rest and reflect.

World's largest barrel containing an inn.

The remains of three Luftwaffe launch pads designed for manned anti-aircraft missiles.

Obscured within a ring of trees, this abandoned World War II relic hides on a German hillside.

A tiny basalt mountain with an observation tower overlooking the beautiful Bavarian countryside.

Is this statue at Naumberg Cathedral the fairest of them all?

Amöneburg is a town perched on top of a basalt mountain in the middle of an ancient meteor crater.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

This stone amphitheater was once part of Nazi Germany's plan to promote propaganda.

This strategic isle was once swapped between empires and almost entirely destroyed in a bomb explosion.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

A graveyard and memorial chapel for victims of leprosy.

From morgue to urn, watch the whole process at this unusual educational attraction.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

The natural mummy of the less than chivalrous Knight Kahlbutz.

The only remaining U-boat that is still floating never actually saw any action in World War II.

These jeweled relics have a scandalous and contested past.

The scars of World War II are preserved on its walls.

Remnants of a cone-shaped Nazi bomb shelter.

One of the oldest wine cellars in Germany is now a restaurant beneath Bremen's town hall.