This field of half-buried stone crosses was the burial place of a sect of heretical gnostics.

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

A little-known park with unusual, half-ruined structures and a mystical energy.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

Legends hold that these unusual rock formations were once a bridal party, or perhaps a group of hunters.

A settlement that was stopped in the middle of construction, leaving behind paved roads, curbs, light poles, a stormwater drainage system, and even a basketball court, but no houses.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

A striking 12th-century-style castle built on the edge of a cliff.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

Art and a pun, all in one.

Ruins of a German Castle on top of a towering stone pillar.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

The fairy tale castle of the "fairy-tale king."

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An eerie, derelict amusement park in Berlin.

Hidden up a dusty track off the Georgian Military Road is this fascinating waterfall with mountainous views.

Georgia's answer to Easter Island immortalizes the nation's great poets, artists, and leaders in stone glory.

The second-deepest known cave on Earth, hidden in an extremely remote mountain region.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

Small church on top of a huge rock column.

The charmingly disheveled clock tower of Tbilisi's puppet theater.