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

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

This Soviet statue is based on a piece of propaganda that's been elevated to national myth.

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

This Soviet-era athletic and recreation facility is the highest ice skating rink in the world.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

A unique interactive bronze sculpture that captures a real-life viral rescue.

These ruins of a Soviet children's railway station have a haunted atmosphere.

She asked for a potato cellar and over the next 23 years he gave her a network of holy caves.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

Gargantuan home of Russian science.

Former headquarters of the KGB.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

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

A chilly monument dedicated to the French explorer, Jean-Baptiste Charcot.

One of the world's southernmost bars.

This World War I fortress is the perfect place to catch a Montenegrin sunset.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

The embalmed remains of the communist leader lie within a custom crystal coffin.

This probably wasn't what Mao had in mind.