The oldest bookstore in Iceland.

Eat your Big Mac in a DC-3.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Fast food feels like fine dining at this award-winning modern Georgian building.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

This WWII plane died a quiet death, and is now a garden eel playground.

A Hawaiian stairway to heaven—that you can't climb.

What remains of the summer palace of King Kamehameha III.

Out of a labyrinth of abandoned tunnels and stops, this Queens subway station is arguably the most mysterious—if it exists at all.

The last of the bushrangers in New South Wales.

Built in the 16th century, the tower is now in ruins.

A modest statue dedicated to Pierre Bayle, a young military drummer who willingly fought and died for his beloved France.

A guardian spirit sculpture that once guarded the tomb of a 6th-century Korean king.

Centuries after this 12th-century abbey had fallen to ruin, it became known for the strawberries and cream served in its gardens.

A churchyard in Ardsley houses a memorial dedicated to the victims of England’s worst mining disaster.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.