Typical sites include: the Acropolis, the Agora, Kerameikos, the Plaka with its many clubs and tavernas, Monasteraki flea market and the central fruit, vegetable and meat markets.
Visit Madrid's famous Prado and Reina Sofia Museums and explore the Madrid of the Borbon and Hapsburg dynasties. Spend the day in Toledo and visit the Monasterio de San Juan de los Reyes, Casa del Greco, Cathedral, Museo Sefardi and Iglesia de Santo Tomé.
Take a day trip out to a rural school in Cambodia and spend part of the day with students, making lunch for them, participating in classroom activities and learning about the organization that supports their education.