Established by Pope Julius II in the 16th century, the Vatican Museums are the greatest treasure of the Vatican City, since they are home to a fascinating range of art collections. Laid out across many halls, galleries and rooms, the Vatican Museums house various jaw-dropping frescoes, tapestries, sculptures, and paintings. Want to admire the world’s most popular art collections and avoid the long lines? Then visit the museums on weekdays at 1:00 pm or buy "skip the line" tickets on their official website.