An imperial church bombed to ruins during WWII now stands as a jagged memorial.

This stone memorial commemorates a group of French patriots slain by French fascists.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

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.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

From carts to cars, this leftover Roman bridge in France has managed to survive for centuries.

Now a memorial, this factory was once used as a concentration camp for artists by the Vichy government.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

This ancient theater was once the home of fierce gladiatorial battles.

Walk through living pictures and music in the Cathedral of Images.

The Nobel-Prize-winning author of The Stranger is buried beneath a simple gravestone in a sleepy French village.

Europe's largest dinosaur museum was founded by a passionate autodidact.

The bears of Bern have been a city highlight for over 500 years.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

Home of the Large Hadron Collider and the birthplace of the World Wide Web.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

This lurid German fountain plots the sad course of marriage from dating to death.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

One of downtown Berlin's last reminders of its Communist past.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.