The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This modern monument to pagan belief looks like it was transported straight from ancient times.

Iron Age "bog person" preserved for over 2,300 years.

A walkable map of the world, made from soil and stone by one man.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

The largest catacomb system in the world.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

The villagers of the coldest inhabited place on Earth adjust to unique challenges presented by day-to-day living.

Home of the future Emperors of Russia.

Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Moscow's imposing monument to the Space Age.

Back in the tiny USSR.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

Museum celebrating the achievements of the Soviet space program.

Immortal combat in a Moscow museum.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.