These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

Giant marble phalluses on the sacred island of antiquity.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

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

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

A lively circle of dancers in the Georgian capital commemorates an ancient rite of spring.

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

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

Unusual building appears to be haphazardly built from randomly piled bricks.

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

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.

Where artisans use centuries-old techniques to build traditional Arabian ships.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

This bazaar is one of the oldest in the Arabian world.

This spectacular mosque houses the second-largest chandelier in the world.

This beautifully restored fortification kept the city safe for centuries.

One of the largest sand dunes in the world is nicknamed the "Scary Mountain" due to its steep slope and sharp incline.

Over the dunes of the Empty Quarter, the mysterious music of the desert.

The oldest surviving mosque in the UAE has mysterious origins and unusual architecture.

Every December, this stretch of dusty desert road transforms into a catwalk for a camel beauty pageant.

This mysterious abandoned fort looks like something pulled right from Arabian legend.

An abandoned desert hamlet swallowed up by sand.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.