The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

An off-grid art installation that encourages its visitors to imagine a world without waste.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

Faces carved into the cliffs create an otherworldly walking trail.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

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

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

This sprawling Jewish cemetery is one of the largest in Europe.

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

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

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

An unassuming 13-acre park is home to over 12,000 roses.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.