Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

The fairy tale castle of the "fairy-tale king."

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

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.

Mountain where Jesus was first tempted by the Devil.

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.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.