A quartet of rusting satellite goliaths are all that remain of a communication network that protected Britain from German and Russian air strikes.

Built in 1512, the oldest cathedral in the Americas.

The first hospital in the New World.

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

A 125-meter long "tribute to the Brazilian people."

When ecosystems collide in the arid Southwest.

An effigy of Vancouver's Gastown neighorhood's namesake.

The colorful, smiling concrete silos of Vancouver.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Few other hotels can rival the grandeur of the Castle in the Rockies.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

The world's largest wooden structure.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

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

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

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.

1513 Turkish world map, full of European state secrets and snarky commentary.