Legality of Cannabis by U.S. Jurisdiction Picture of the day archives: 2013 April < 2013 April 23 2013 April 25 > Picture of the day A panoramic view of the interior of the Colosseum in Rome, Italy. Built in the 1st century AD as a site for gladiatorial shows as well as a variety of other events, the Colosseum is now a major tourist attraction.Photo: Paolo Costa Baldi Archive – More featured pictures...