This magnificent Cincinnati graveyard is also a popular public park.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

A massive marble foot is tucked away in a small alley near the Pantheon.

This large, circular tomb is the final resting place of the first emperor of Rome.

The Pope’s secret escape route.

A memorial to honor those who were killed in a Bastille Day terror attack in Nice.

This saucy statue once caused outrage among locals.

The first green space constructed on an elevated viaduct.

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.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

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

France's national museum of scientific and industrial instruments.

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

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

This Parisian café sticks almost exclusively to an ethos of reuse.

This museum houses an imposing skeleton army comprised of creatures great and small.

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.

Paris' linguistic guide to the international language of, yes, love.