Citta del vaticano, Basilica di San Pietro, Bernini's Baldacchino and dome of Michelangelo Buonarroti, Roma Italy-- The only place I have ever stood and truly believed man could not have made this alone
Casa Batllo (World Heritage Site) - One of 2 houses by Gaudí in Barcelona that can be toured. truly amazing and worth the visit. go in the mornings, before the site gets crowded with architecture students.
Piazza del Duomo is the main piazza of Milan, Italy. It is named after, and dominated by, the Milan Cathedral. The Gothic cathedral took nearly six centuries to complete. It is the fifth largest cathedral.