Fodor's Expert Review Mastro da Bandeira
Brasilia
Free
This 300-foot steel flagpole supporting a 242-square-foot Brazilian flag is the only element of Praça dos Três Poderes not designed by Niemeyer. In the morning of the first Sunday of the month, members of the armed forces take part in a troca da bandeira (flag changing) ceremony, to the sound of the Brazilian Army band.