Mosteiro dos Jerónimos
Credit: Courtesy of Turismo de Lisboa
Lisbon's undisputed top attraction is this UNESCO World Heritage jewel, a massive monastery that stretches across several Belém blocks. The monastery is a pristinely preserved Manueline masterpiece of elaborately sculpted maritime motifs, stone roped rooflines, and dramatic cloisters built to champion Vasco da Gama’s Indian sea route discovery in 1498.