The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

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.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

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

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

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

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

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

A once-secret library of Freemason history in Catalonia.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

This Funeral Hearse Museum represents the finest in cadaver transportation.

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

A temple to modernity, tucked away amid Barcelona's more well known museums.

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

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.

A stately palace has been converted into the world's largest cannabis museum.

Turntable anonymously received orphans, alms, and groceries.

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.

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