Stunning photos from inside the Women's March, which saw hundreds of thousands protesters descend on DC

An estimated quarter of a million men and women poured into the US capital on January 21.

They gathered to raise awareness of women's rights ...

... and the perceived threat Donald Trump's administration poses to those liberties.

Unity became a resounding theme during the event's speeches.

Demonstrators came in all shapes, colors, and sizes.

Paige Carmichael, 6, from Chadds Ford, Pennsylvania, rocked a homemade shirt.

A pink knitted beanie, known as the "pussy hat," became a symbol of solidarity among protestors. Knitting parties organized in the weeks before the march.

The ladies of liberty stopped by to support women's rights.

The signs were on point. Many stressed the importance of women's rights as human rights, paying homage to presidential nominee and feminist icon, Hillary Clinton.

Nadia da Rosa, 15, from Providence, Rhode Island, made a bold statement.

This woman held a sign that imitated the Barack Obama "Hope" poster, designed by artist Shepard Fairey, which came to represent his run for the presidency in 2008.

Shepard Fairey recently unveiled a new line of posters featuring Muslim, Latino, and African-American women in the wake of Trump's election. Here's one.

Sandy Cryder and Dan Norum of Baltimore took a dig at the president with their sign that showed Trump as a puppet controlled by Russian President Vladimir Putin.

Another clever sign mocked Trump's relationship with the Russian dictator.

"Girls just want to have fundamental human rights," am I right?

The event was packed with celebrities, including Melissa Benoist, star of TV's "Supergirl."

 

Scarlett Johansson shared a personal anecdote from the main stage about going to Planned Parenthood as a 15-year-old. She called on the president to support women.

The goddess of pop music, Cher, showed up in solidarity.

Actor Jake Gyllenhaal joined the movement in DC.

There were politicians in attendance, too. Former US Secretary of State John Kerry walked a yellow Labrador along the march route while giving out high-fives.

There were many, many selfies to be taken.

It's unclear just how many showed up for the Women's March on Washington, but early estimates suggest crowds may have outnumbered those at Trump's inauguration.

Source: Business Insider

The Washington Metro subway system reported that riders took fewer trips on Friday morning during Trump's inauguration than did during the Women's March a day later.

Source: Business Insider

No matter their numbers, the women gathered were certainly impossible to ignore.