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

A seemingly endless landscape of pure salt stretches far across Bolivia.

Famously misunderstood wonder of the ancient world

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The legendary building that needed ghostly approval before being built.

A bizarre house filled with an astounding array of collections.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Rippling sand dunes frozen in the Arizona rock.

An emerald-green grotto just a short trip from Austin.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This semi-secret storybook hedge maze is also the oldest garden in the city.

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

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

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

2300-year-old Roman road connecting the empire.

Rome’s legendary peephole vista is also a former Crusader stronghold.

Notorious artist squat renovated into legal studios.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A series of abstract, silly sculptures represent the works of a great modern classical composer.