This crack in France's seaside cliffs once hid a sinister secret.

For those late-night mollusk cravings.

Supposed home of the camel ridden by Napoleon during his Egyptian campaign.

This miniature Paris, built out of trash, is one man's two decade labor of love.

The way that light hits a stained glass window on a specific day is one of many "clues" to a mysterious treasure.

The haunting cadaver tomb of a famous French poet, playwright, and filmmaker.

A chapel on a volcanic core, marking the end of a successful journey.

Natural mummies hidden in the crypt of a medieval French church.

When the imprisoned pope's remains were finally returned to the Vatican, his heart stayed behind in France.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

These quaint French houses dangle precariously over a precipice.

A fascinating insight into daily life in the Eastern Bloc.

Inside this Jewish cemetery is a memorial to soldiers who deserted the German army and were executed.

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

This classic restaurant features a gorgeous mirror-clad room.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

The most visited, and possibly most controversial, museum in Germany.

Reminders of the Battle of Berlin still scar the railway.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A collection of abandoned typographic signs from Berlin and beyond.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.