The bizarre home and sculpture garden of an eccentric artist.

One man's stunning attempt at eco-friendly living.

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

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

A once-secret library of Freemason history in Catalonia.

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

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

This Funeral Hearse Museum represents the finest in cadaver transportation.

Turntable anonymously received orphans, alms, and groceries.

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

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

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

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.

Mountain where Jesus was first tempted by the Devil.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

An abandoned nightclub has become a vibrant work of art.

A snowy highland notorious for unexplained aircraft crashes is France's own Bermuda Triangle.

A French museum of wrought iron.

This ancient theater was once the home of fierce gladiatorial battles.

The Nobel-Prize-winning author of The Stranger is buried beneath a simple gravestone in a sleepy French village.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.

The somewhat misnamed 'Garden of Shells' lovingly built from found objects.