About a mile from the so-called “Winter White House,” the Campaign to Impeach Donald Trump has installed a crowd-funded billboard to advocate for removing the president from office.

“No one is above the law. Not even the president,” reads the billboard, located on Southern Boulevard, which leads directly to Trump’s Mar-a-Lago resort in Palm Beach, Florida.

“Momentum for impeachment is accelerating at the grassroots,” said Norman Solomon, national coordinator of the online activist group RootsAction.org, which is co-sponsoring the non-partisan impeachment campaign with Free Speech For People.

As the president’s approval rating continues to tank—even among his base—calls for his impeachment and speculation that he may resign before the end of his term have intensified in recent weeks.

Two Democratic members of the House of Representatives, Rep. Al Green of Texas and Rep. Brad Sherman of California, have introduced articles of impeachment, and after the president’s remarks about Charlottesville, Rep. Steve Cohen of Tennessee announced he would, too.