Go inside to really appreciate this 500-year-old technological masterpiece.

100 year tradition of fist fights, marked by marble footsteps.

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

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Rome’s legendary peephole vista is also a former Crusader stronghold.

The final resting place of the poets Shelley and Keats.

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

2300-year-old Roman road connecting the empire.

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

The glowing blue Nymphaeum of Emperor Tiberius.

Pilgrimage site for star-crossed lovers.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

Fortified homes of highland warriors that are still in use today.

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

A six-ton wedding present for the King of the Scots.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

The most loyal of little dogs, or a Victorian era publicity stunt?

A sweet symbol marks the place where torturous executions were once carried out.

Largest lake in Great Britain measured by surface area.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Abandoned ship reimagined as a street art canvas.