An expansive collection donated by an heirless nobleman formed this admission-free civic museum.

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

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

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Huge stairway leads to this massive gallery.

Despite their macabre past, these hooks are said to bring good luck to those who touch them.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

A two thousand year old brothel uncovered in Northern Greece.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Every inch of this chapel is covered in craftsmanship from across the world.

This Arabesque Italian castle was built with a primitive, if ingenious, air-conditioning system.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

Architectural monsters are devouring this palace's every door and window.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

This uncanny fresco celebrating the "triumph of death" was split into four pieces to be moved to another museum.