Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

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

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

Turntable anonymously received orphans, alms, and groceries.

The loneliest island in New York.

The world's first combination ski slope and power plant.

A unique work of automotive art calls this shopping center home.

This fountain was designed to honor the man who helped bring water to Barcelona.

The only thing these street signs will help you navigate is your imagination.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

A public urinal so pretty, it was declared a national monument.

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

This Roman arena once played host to bloody gladiatorial battles.

Long tunnels run under the ancient chariot racing circuit to the tower.

An open-air "garden" of mural art that changes weekly.

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

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 is expected to be completed in 2026—a century after the death of its architect.

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 celebration of capitalism in Midtown.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.