Sip creative cocktails in the former vault of the Riggs Bank.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

A pastry shop specializing in Sephardic sweets serves historic recipes in Ribadavia’s Jewish quarter.

A botanical garden full of thought-provoking contemporary sculptures.

The deserted remains of a luxury hotel turned hospital ward.

Peek into a cave of giant, glimmering crystals.

An impressive display of ships and artifacts from the ancient Mediterranean maritime trade.

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

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

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

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

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

The world's largest wooden structure.

One of Europe's largest supercomputers is housed inside of a disused chapel.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

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.

A unique spiral staircase that doesn't quite make it up to the top floor.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

One of the largest, oldest, darkest, quietest motel rooms in the world.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

Unique tower has outlasted a takeover of the company.

All that's left of the quintessential "cabin in the woods."