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

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

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

Ancient serpentine sacrifice holder that has stood the test of time.

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

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

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

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

Where commuters walk through remnants of an ancient Greek necropolis.

The hallucinogenic center of the ancient world.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A historic house left in "dramatic still life."

One part local history, 99 parts gruesome haunted house.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.