The unexpectedly beloved remnants of a controversial thermal power plant.

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

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

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

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

Inside the small garden of two mid-century apartment buildings stands a centuries-old bell tower, separated from its original church and hidden from view.

The "Prussian Versailles" that is as glorious today as when it was built.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The oldest church in Mantua was buried for centuries under the facades of other structures.

In Lago Superiore, the largest expanse of lotus flowers outside of Asia is hard to miss.

The seat of the Mantua bishop holds many secrets within its walls.

A hidden bas-relief of a hare on a church main portal that brings good luck to the ones who find it.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Pilgrimage site for star-crossed lovers.

Genoa's collection of over 4 million zoological, botanical, and geological specimens from around the world.

There has been an astronomical clock on this spot since the 14th century.

The most impressive of Basel's three remaining city gates.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

A rare rune stone dedicated to a woman.

Walk through Czech history in Prague's largest graveyard.

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

Macabre astrological automaton clock dating to the late 1400s.