This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

This Norman castle was once the site of a Victorian-era prison, and now exists as a luxury hotel.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

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

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

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

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

This stone windmill marks an old, mysterious homestead in what is now central Austin.

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

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

This cemetery overlooking the Benbulben rock formation is the final resting place of one of Ireland's most beloved poets.

The pockmarks across the building's facade are remnants of the Blitz.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The narrowest street in Paris.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

This riverside restaurant has been serving customers since 1146.

The medieval woodcut-style artwork chronicles life in medieval London.

This poignant display is now a memorial to these regionally extinct species.