US fans were celebrating in Natal late on Monday as their team beat Ghana 2-1 in their World Cup opener.
Now they're in good position in Group G, where Germany opened with a 4-0 rout of Cristiano Ronaldo and Portugal.
After the game, fans emerging from the stadium chanted "U-S-A! U-S-A!," and some entered into friendly banter with Ghana fans.
The US will next face Portugal on Sunday in the hot and humid Amazon rain forest capital of Manaus.