2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

An iconic Soviet statue of working-class people.

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

A 360 degree battlefield experience.

One of the world's tallest statues is also one of its most hated.

Gargantuan home of Russian science.

This massive monument honors the first human in space.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Moscow's imposing monument to the Space Age.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Former headquarters of the KGB.

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

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

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

A diminutive statue that was inspired by the sculptor's own daughter.

The metal leaves on this tree are engraved with the names of Holocaust victims.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

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

This bizarrely tree-like red skyscraper is one of the newer additions to Barcelona’s skyline.

A fantastic Christmas tradition where defecation meets the manger.