Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This large, circular tomb is the final resting place of the first emperor of Rome.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

This colorful statue welcomes visitors to a Barcelona park.

An early 20th-century bullring converted into a modern shopping center.

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

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

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

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.

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

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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

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

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

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

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

An open-air "garden" of mural art that changes weekly.