After visiting hours, this picturesque waterfall is essentially turned "off" to be used for hydroelectric power.

This vast, water-filled underground labyrinth can only be toured by boat.

Skyscraper powered by wind turbines attached between its towers.

These little castles each held thousands of pigeons.

This 17th-century structure is a beautiful testimony to traditional Persian architecture

Iran's colorful terraces are a rare geological masterpiece.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.

A modern tower, symbolizing the legend of a golden egg on top of the tree of life.

The world's second largest salt mine, said to have been discovered by Alexander the Great's horse.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

A boulder carved into the shape of the cosmonaut's head.

Beatlemania is still going strong... at least in Kazakhstan.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

A dictator's gold statue once rotated to face the sun on a 75-meter high marble tower.

Sumptous memorial to a controversial independence.

A huge monument to a bizarre book written by Turkmenistan’s longstanding dictator.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

An eccentric dictator's take on a Turkmen version of Disneyland.

An outstanding piece of retro Sci-Fi architecture built into a sacred mountain.

This magnificent blue mosque in Afghanistan is surrounded by thousands of white doves.

Time capsule of a museum, in which the Soviet Union remains alive and kicking.

The world's second-tallest flagpole stands proud despite dropping rank.