A strip of modern stores in historic buildings.

A decommissioned military complex that's now a modern industrial park.

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

This bridge was constructed from the rubble of the infamous Bastille.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

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.

One of the few remnants of an extensive tram network that once made Buenos Aires the “City of Trams.”

The southernmost postal office in South America.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

A massive maritime collision may have led to the myth of a resort island's strange financial status.

This natural rock formation spouts jets of water into the air.

Send a postcard while vacationing with Satan.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

This enormous censer uses a pulley system installed over 400 years ago.

A remarkable feat of Victorian engineering across the Firth of Forth.

The ruins of a 12th-century seaside castle on the southwest coast of Scotland.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

A mysterious ruin shrouded in more folklore than fact.

Where the sleeping monsters of Scotland's oil industry are left to rust.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.