Moscow's imposing monument to the Space Age.

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

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Across this single-file rope bridge is what has been claimed to be the edge of continental Asia.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

It was once nicknamed "the most bombed hotel in Europe."

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

Hindu temple of the dead home to hundreds of long-tailed macaques.

A micronation of epic proportions.

Khmer Rouge's high security prison.

A battle between nature and architecture in the Cambodian jungle.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

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

The most famous location in China was home to whole dynasties worth of imperial rulers.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Venture into the hideout of one of Hong Kong's legendary pirates.

Climb to the top of the world's largest seated bronze Buddha.

The first declared National Monument in the United States.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

The king of U.S. high points towers over every other peak on the continent.

Look closely and you’ll notice that the color changes a third of the way up the tower.