Three bridges and one giant canyon make up this fantastic Spanish settlement.

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

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

According to a local legend, this old castle could only be built after a woman was immured in the walls.

Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

A museum dedicated to secret surveillance.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A waterfall rushing through a lush fern gully in Australia's Tarra-Bulga National Park.

The spherical grains of white quartz sand give every step on this Australian beach a distinctive sound.

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

Come for the flowers, stay for the bats!

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

A museum dedicated to the alleged Roswell Incident.

This is one really big nut.

Hundreds of medieval Islamic gravestones decorate the mountainous landscape in the largest cemetery in Turkey.

This Canadian monument to the man who invented the telephone allows visitors to get up close and personal with the artifacts of his life.

The highest tides in the world come in and out here twice a day, allowing you to essentially walk along the ocean floor.

Home of the world's smallest dinosaur footprints.

This Novia Scotia museum showcases local history through miniature models built by one man.

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.