This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

A major pre-Columbian archaeological site in central El Salvador.

A huge, bustling local market in Panama City.

This church was transported brick by brick from the ruins of a 16th-century city into Panama City's current historic district.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

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

This saucy statue once caused outrage among locals.

This massive blockhead sculpture hides an entire library.

One of the oldest masonic museums in Paris.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

His "Lionheart" is entombed separately from the rest of his body.

An ancient ossuary in Rouen.

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 quaint medieval millhouse hovers surprisingly above the waters of the Seine.

This fascinating abbey is considered the oldest monastery in the region.

Ancient catacombs form the foundation for this Rococo orgy of a church.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.