Once used to protect important Roman trade routes.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

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

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

The soaring gondola lines form the longest aerial cable car system in the world.

An early 20th-century bullring converted into a modern shopping center.

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.

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

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

Where else would a linchpin of post-colonial Native American cuisine anchor the menu but a museum?

The first park built over a freeway is a brutalist masterwork.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

This park celebrates a sister city relationship that survived the Cold War.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A wall of chewing gum moonlights as collective art.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

Canyon walls shrouded in ferns.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A sprawling cave network created by a lone lava tube.

Concrete pillars provide a beautiful canvas for Quebec City's graffiti artists.

The floating gallery illuminates the heart of Québec City's arts district.