When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

Where the lovelorn find a home for their sentimental keepsakes.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A 11-foot former president stands on a Kosovo street that also bears his name.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

France's most famous cemetery, with some of its most curious tombs.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

See massive fossils that are over 200 million years old in northeastern Arizona.

Quite simply the largest tree in the world (by volume).

The second oldest continuously operating bar in Louisiana.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

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