Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

Medieval Danse Macabre Fresco in Northern Brittany.

Old vessels have been transformed into artistic canvases in this unusual cemetery.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

Guests can stay at a hotel in the former French abbey where lie the tombs of King Henry II and King Richard the Lionheart.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

The huge golden reliquary of a testicle-smashing saint.

This tiny river island switches sovereignty every six months as part of a rare, centuries-old agreement.

The world's largest reflecting pool is just two centimeters deep.

This crack in France's seaside cliffs once hid a sinister secret.

This small island, a byproduct of 19th-century canal construction, is now home to a charming Japanese garden.

These ramparts, once lined with towers, were constructed in defense of Beaune.

The shape of this old salt factory complex was inspired by the course of the Sun.

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

Today this former Nazi concentration camp stands as a poignant memorial to the victims of fascism, and a warning from history.

There has been an astronomical clock on this spot since the 14th century.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Supposed home of the camel ridden by Napoleon during his Egyptian campaign.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.