Mostly underground in the old days Back in the USSR, today the Beatles beckon to tourists from a wall sculpture out in the open in central Russia.

Russia's giant concrete QWERTY keyboard is likely the largest in the world.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

Replica of mosque destroyed by Russia in the 16th century.

Church built on the site where the last tsar of Russia and his family were killed.

Derelict airplane bodies serve as both home and income for three Thai families.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A unique hotel for the artistic soul.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

Moscow's imposing monument to the Space Age.

Former headquarters of the KGB.

Museum celebrating the achievements of the Soviet space program.

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

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.