Designed by Gustave Eiffel before his famed tower.

These fly sculptures are scattered around the city and represent the patron saint of Girona.

This windmill has been grinding pigments for traditional paints for more than 200 years.

This 400-year-old tree is actually an immigrant from North America.

This site was once home to Henry VIII and Elizabeth I.

A historic structure inspired by Roman, Muslim, and Jewish bath houses.

Bali’s Mother Temple, a breathtaking complex that rises serenely up the side of an active volcano.

This historic Union Pacific Railroad depot is a stunning symbol of American post-Civil War progress.

Tucked away in a London Tube station, this 1920s linear clock shows the time across the world all at once.

This is the spot where the bloodiest battle in the American Civil War may have started.

Visit the remains of a notorious Victorian-era correctional facility.

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.

A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

This overlooked courtyard and museum celebrate Benjamin Franklin's life and achievements.

The extra platform at Gloucester Road has been used for art displays for over 25 years.

This archaeological site features an early version of today’s refrigerators.

A wooden rollercoaster that still delivers a thrill.

The only Leonardo Da Vinci painting in the Western Hemisphere.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

A swaggering, monumental souvenir of the most extravagant party Montreal’s ever thrown.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

A historic Montreal market that was the city's agricultural hub for over century.

A small collection of objects of a bygone era hide in plain view.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.