This renaissance-era building is now home to an art museum.

Genoa boasts the longest wall of any city in Europe, with major sections dating from the mid-12th to early 17th centuries intact and recalling highlights of the city's history, protecting itself against invasions from land and sea. Exploring the walls is not complete without going to the Parco urbano delle mura -- a 13-km stretch of wall (only the great wall of China is longer) and its string of forts.

Genoa's Mercato Orientale ("Eastern Market") is not really a flea market, but rather a food market. It is quite large and completely covered, and was built in 1899 on the site of an older convent...