Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The first archaeological site discovered by aerial photography.

Europe's largest prehistoric mound – burial site of a legendary king?

It's possible to walk inside one of the largest Neolithic tombs in Britain.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Famously misunderstood wonder of the ancient world

One part local history, 99 parts gruesome haunted house.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

A fossil of a 30 million-year-old fish is unexpectedly hidden thousands of feet above sea level.

This palatial building houses a remarkable gallery of papal portraits.

A small cell adjacent to this church was once the bedroom for a renowned saint.

This amazingly preserved Doric temple was abandoned before it was ever completed.

This curious, round temple is the oldest still-standing marble building in Rome.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

Erotic art covers the walls of the largest ancient pleasure palace.

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

The glowing blue Nymphaeum of Emperor Tiberius.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

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

A submerged archeological park still holds the wonders of a Roman Sodom.