Once the last route taken by condemned prisoners.

The construction of this bridge dates back to the 15th century.

This delightful hidden farm is home to Victorian ruins and a wonderful menagerie of animals.

The city of Manchester quietly unveiled this tribute to a 19th-century massacre.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

Once used to protect important Roman trade routes.

A hunk of prehistoric lava rests amid the Gothic architecture of a campus quad.

The largest municipal cemetery in the United Kingdom and the second largest in Europe contains some of Manchester’s biggest characters.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

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

This modest marker near Notre Dame identifies the very center of Paris.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

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

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The "Great Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

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

Breathtaking and huge 430 year old maps of Italy.

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

These spartan apartments are provided to clergymen visiting Vatican City.