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

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Largest lake in Great Britain measured by surface area.

This network of narrow, medieval passages has the most delightful name.

Follow the original medieval paths that wind through this intriguing section of the city.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

One part local history, 99 parts gruesome haunted house.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

This strange statue features a bust of the famous composer plopped atop a woman's body.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

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

2300-year-old Roman road connecting the empire.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”