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

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

This half-finished "city of toys" was almost Italy's own Las Vegas.

In a small churchyard in Dingolfing, Germany the quaint Schusterkapelle is there to remind you of your imminent mortality.

This lurid German fountain plots the sad course of marriage from dating to death.

Enter the cabin of a life-sized Hindenburg replica.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

This Italian foot path winds through the mountains via 52 individual tunnels.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

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

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

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

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.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

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

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

An abandoned swimming pool decays on the outskirts of Berlin.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

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

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.