Macabre astrological automaton clock dating to the late 1400s.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

An 18th-century post box used to alert the church of sick and ailing foreign pilgrims.

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

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

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

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

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

A hospital where antique dolls are given new life.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

This home on a quiet suburban street is completely covered with vibrant mosaics.

In France, a medieval-style home pays homage to an intrepid explorer who discovered Québec.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

This enormous censer uses a pulley system installed over 400 years ago.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

The building hides in plain sight in Ribadavia's historic Jewish quarter.

One of the world’s longest pedestrian suspension bridges.