For a brief time in 1960s France, families could climb into a tiny submarine and be pulled along an underwater journey.

France's third-largest necropolis offers a peaceful respite from a busy port city.

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.

A statue dedicated to the founders of communism.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

Originating in the 16th century this fort is far more than a military structure.

Soviet-era gates guard an unexpected urban forest—and a future U.S. embassy.

This 13th century Orthodox monastery is built right into the Moldovan cliffside.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

Once the tallest building in Chisinau, this unique tower is a relic of Soviet architecture.

This garden houses the remains of the ancient Greek port of Marseille.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

"Drunken ship" sculpture memorializing the French poet in the city where he died.

A surprising relic of WWII, sitting boldly in a Marseille street.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

Modest but unique pyramid built for a pharaoh has been reduced to a “heap of stone.”

The oldest tourist graffiti in the world helped archaeologists identify the Pyramid of Djoser.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

In 2400 BC, two male hairstylists decided to spend eternity together. But maybe they were just friends?

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

In Egypt's expanding metro area, many of the neighbors are dead.