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

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

An ancient capital city that dates back 3,000 years and harbors many surprises.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

The largest geyser field in the southern hemisphere is a spectacular sight.

This "floating island" plateau sits 7,671 feet above the forest floor.

Bohol's unusually shaped hills turn brown in the summer months.

Mysterious hillside with a continuously burning natural fire.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

The sacred shrine of the Yazidis.

One of the holiest Shi'i shrines in Iran honors the life and death of a learned noblewoman who became a saint.

A historic trade hub teeming with gorgeous architecture, colorful goods, and vibrant designs.

Last remaining nuclear missile base in Ukraine.

Macabre astrological automaton clock dating to the late 1400s.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Steadily reminding Czechia of its past.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

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

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

A mocking tribute to the past and modern leadership of Prague.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.