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.

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

The world's largest wooden structure.

An ancient Egyptian temple in the middle of Madrid, Spain.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Breathtaking and huge 430 year old maps of Italy.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The largest and most famous wax anatomical collection anywhere in the world.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

Pilgrimage site for star-crossed lovers.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Sniff the Titan Arum's rotting flesh.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Legends surround this jagged rock formation in the New Mexico desert.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.