Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

A sculpture serving as an homage to Pope John Paul II.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Architectural monsters are devouring this palace's every door and window.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

What appears to be an ancient Roman temple is actually a Catholic church.

This colonial-era hospital chapel is now a foyer and side entrance to a popular department store.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

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

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Elaborate tile work in this railway station tells the story of Portugal.

A hidden three-foot-wide house separates these two regal churches.