A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

Dedicated to a Bolshevik revolutionary, this museum is a true time capsule of the Soviet era.

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

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

This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

Tower with a double-helix spiral, adorned with letters of the Georgian alphabet.

The first skyscraper to include a Ferris wheel built into the facade.

More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.

For centuries, Jeddah’s old town was a major trading port and a point of entry for Hajj pilgrims traveling by sea.

3/4-scale model of the White House in Atlanta, Georgia.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

The building is a gigantic piece of art inspired by the shape of a desert rose.

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

A bizarre collection of gifts to North Korean dictator Kim Jong Il from the despots of the world.

A giant bronze monument to Kim Il-sung and Kim Jong-il is one of the most sacred sites in North Korea.

A highly symbolic tower in honor of Supreme Leader Kim Il-sung's personal philosophy.

This derelict superstructure was a very important warning system for the Soviet military.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

A small part of Russia that does not touch any other part of Russia.

This small cemetery is all that remains of Atlanta's first Black communities.