Home to the deepest rift anywhere on Earth.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

A lush indoor jungle fills this bustling Madrid transportation hub.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

Strange, gentle beasts resembling goat-cow hybrids roam within this patch of forest.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

The largest and, arguably, most scenic fortress in Bhutan.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

A Nazi concentration camp and Anne Frank's place of death.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A room in New York City that contains 250 cubic yards of dirt.

Yo, Adrian!

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A house carved into a rock in the 1940s.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.