Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

A charming beach town in Turkey captures all the colors of the rainbow.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

1513 Turkish world map, full of European state secrets and snarky commentary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Roman ruins top white travertine terraces formed by ancient hot springs.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A marvel of Byzantine engineering under the streets of Istanbul.

In Egypt's expanding metro area, many of the neighbors are dead.

Hundreds of thousands of ancient documents offer a unique glimpse into Jewish life in Cairo.

The deadliest diving spot in the world is also a stunning geological marvel.

These bronze sculptures sow whimsy by hamming it up on a pedestrian mall.

Three women and a 10-year-old boy are immortalized in this sculpture memorializing the 13,000 women and children convicts sent to Van Diemen’s Land (now Tasmania) between 1803 and 1853.

This simple sailing boat is one of the oldest preserved fishing vessels of its kind in the world.

Located alongside the famous Salamanca Market and in sight of Parliament House, this large and elaborate monument is hard to miss, split into two sections and standing some 14 meters tall.

A clear example of the process of erosion in action.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

Impressively shaped, perfectly balanced boulders perched on the edge of a sea-cliff.

This Melbourne bank has unique Gothic-style architectural features and is one of the most majestic operating bank branches in the world.

The statue honors an adventurous seafaring cat.