Sant'Anna dei Palafrenieri
Mosta Dome in Malta Such a beautiful building, cover up though!
Grand Staircase Palais Garnier (Paris Opera House) the detail is amazing! i want to go here someday
The Grand Chamber at Chatsworth House, Debyshire
Filippo Brunelleschi's dome in Florence, Italy. Constructed with noteworthy ribbed vaulting. 1420-1436
Hôtel de Lassay, Paris, France.