This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

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

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

A restaurant and observation deck built in a unique broadcasting antenna.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The second largest in the world, this massive underground void has its own subway.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

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

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

A large portion of this navigable canal runs under Paris's famed boulevards.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Former hunting lodge of a duke who was an avid collector of impressionist works.

This bridge was constructed from the rubble of the infamous Bastille.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

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 statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

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