Mountain where Jesus was first tempted by the Devil.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

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

This Funeral Hearse Museum represents the finest in cadaver transportation.

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

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

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

Week-long block party becomes a competition for the best decorated street.

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

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

A surreal botanical garden with an even more surreal tour guide.

A mushroom-shaped outcropping that has come to be the symbol for an entire town.

A sulfuric hellscape in southern Italy.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

The mummified relic of St. Antoninus.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

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