Slideshow: Women's March on Washington

Jan. 21, 2017: Protesters gather on the National Mall in Washington.  (FoxNews.com)

Jan. 21, 2017: A protester holds one of many anti-Trump signs at Saturday's march.  (FoxNews.com)

Jan. 21, 2017: Protesters carry signs that reference the Trump tape controversy from last fall.  (FoxNews.com)

Jan. 21, 2017: Protesters gather on the National Mall, near the Capitol.  (FoxNews.com)

Jan. 21, 2017: Chris Cox, founder of Bikers for Trump, keeps a pro-Trump presence on the sidelines of the march.  (FoxNews.com)

Jan. 21, 2017: Women came from across the country for Saturday's march, which spilled out from the National Mall into downtown Washington.  (FoxNews.com)