This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Odd castle-like structures for collecting water sticking out of the Mississippi River.

A mural honoring two trailblazing Supreme Court Justices—Thurgood Marshall and Ruth Bader Ginsburg.

This memorial honors five journalists who were killed in a mass shooting in 2018, and affirms the importance of the first amendment.

One of America's oldest continuously operating hotels offers a blend of rich history and historic architecture in the heart of Annapolis.

A set of rowhouses built for laborers at a glass company are the last of their kind in Annapolis.

Just outside the Naval Academy, Hell Point is a historical marker that could easily be the point where failed students wait for the bus.

The oldest military monument in the United States.

This statue honors the author's groundbreaking family story.

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

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

This Parisian gem is one of the most incredible ethnographic museums in the world.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

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

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

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.

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

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

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