The final resting place of the great navigator, or maybe his brother.

The world's largest wooden structure.

Down this yellow brick road, visitors are treated to toadstool houses and massive mushroom sculptures.

This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

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

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

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.

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

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

Houses are tucked between, on, and underneath giant boulders.

A crumbling hospital from the 1850s on Roosevelt Island.

A striking symbol of the Bulgarian capital.

A collection of venomous snakes and reptiles for the whole family to enjoy.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Peek into the world of those creating the beautiful, delicate paper parasols found all over the globe.

The bank's whimsical shape was inspired by a child’s toy.

A lush indoor jungle fills this bustling Madrid transportation hub.

An autonomous republic of Orthodox monks.

An antique cemetery in New York, this land is home to any number of famed corpses.

Rochester's signature culinary delicacy.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.