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.

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

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

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

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

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

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

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

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

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

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.

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

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

A fake medieval village in the middle of Turin.

One of seven Jewish catacombs in Rome and one of only two open to the public.

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

Rome is now home to a stunning food museum and library.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

A forgotten "city of water" underneath the famous Trevi district.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.