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

You'll find just about anything in this funky Tbilisi flea market.

The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

The decaying remains of a once-luxurious Soviet spa town.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The hallucinogenic center of the ancient world.

Monasteries on rock pillars, once accessible only by frayed ropes.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

Ancient snack bar of the Roman Empire re-opened.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The walls and streets of the ancient city are peppered with penises.

One of the windiest peaks in Crimea is home to an incredible set of cable bridges.

A castle perched precariously over the Crimean Sea.

Intricate wood carvings on an island in Siberia.

300-year-old villagers houses and traditional churches preserve a nearly lost piece of Russian history.

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

This massive glowering Lenin head gazes out over eastern Siberia.

Former estate of Lenin, now home to his death mask.

Gargantuan home of Russian science.

This nostalgic Russian museum is full of USSR cultural artifacts from the 1970s and 80s.