This charming candle shop has been in business since 1789.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

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

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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

This semi-secret storybook hedge maze is also the oldest garden in the city.

A beautiful but toxic fountain of mercury.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

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