Rev. Franklin Graham drew 5,000 Christians to his rally in Olympia, Washington, on Wednesday, his largest to date.
"Our nation is in trouble, and like many people, we are fed up," he said.
During his 31st stop on his 50-state Decision America Tour, Graham urged Americans to vote in this year's election.
"In Olympia we saw the gay pride flag flying over the mayor's office - what would happen if it were the Christian flag?" he tweeted.
Graham told the crowd he wasn't there to tell them who to vote for but to choose a candidate who stands for biblical principles.
He also encouraged pastors to speak out on political issues. Graham says churches today care more about political correctness than God's righteousness.
State officials said it was one of the largest rallies at Washington's Capitol in recent years. His next stop is Juneau, Alaska.