Giant stone letters dedicated to the founder of Armenia's alphabet.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

This small shrine is dedicated to the designer of the first Russian fighter jet and his brother, who became Chairman of the Presidium of the Supreme Soviet.

The world's largest collection of intentionally useless inventions.

Microscopic scenes; some call it novelty, some call it art.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

This is what trains will look like after the zombie apocalypse.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

A museum glorifying the life of Stalin, located in the city of his birth.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

A war-torn Olympic relic is being overtaken by graffiti and nature.

A collection of items from a way of life that no longer exists.

A forgotten monument to Yugoslavian freedom.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A solar-powered primary school inspires hope and experimentation in a country ripe for energy innovation.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

A statue honors the children who fought Nazis in Poland.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A 20th-century picture show in 3-D.