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

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

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

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Historic medieval fortified city in southwest France.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

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

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Petting this mysterious iron monkey supposedly brings good luck.

A moving memorial to the fallen and missing from WWI trenches.

Most prolific publishing house in the 1600s open to the public.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

A rare example of World War I trenches from the British front.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

A little sculpture with a large wardrobe.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Climb inside an iron crystal magnified 165 billion times its normal size.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Lavish royal estate punctuated with heated greenhouses.

Palace where the nearly un-killable Rasputin was murdered.