Marie Antoinette and Napoleon Bonaparte were fans of this 200-year-old French chocolatier.

Housed in a 1912 architectural masterpiece, this outlet of the Golden Arches is a real beauty.

A hidden three-foot-wide house separates these two regal churches.

Why walk on this historical site when you can zoom down instead?

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

The 10-foot-wide Long Beach home was built on a dare.

This supermarket offers shoppers a window into the past alongside their groceries.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

This residence straddles a border between Belgium and the Netherlands.

This extremely narrow tenement boasts a maximum occupancy of just two.

Eat a Nobel banquet from any year in the basement of Stockholm's City Hall.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

For more than 170 years, this family-run bakery has been serving Berlin’s best Baumkuchen, or “tree cake.”

Order cookies baked by cloistered nuns in a 400-year-old monastery.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

There's a crumbling old mansion inside the Smithsonian National Zoo.

This former Cyprus flight hub is now a crumbling, abandoned ghost complex.

This moving cemetery sphere is a slowly rolling stone.

A tiny island is connected to the mainland by a private railway that residents travel in their own personal wagons.

A historic observatory precariously perched at the "Top of Europe."

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.