Let your freak flag fly in the city of San Francisco! Or your pride flag. San Francisco, one of the most inclusive and progressive cities in the US, is home to the world-renowned SF Pride festival, one of the largest pride celebrations in the world and the largest in the US. The weekend-long festivities and parade draw in nearly 2 million attendees every year in its most recent years. But San Francisco isn't just known for it's social progression. As the first city in the US to ban non-compostable plastic bags, it's no surprise that the greenest city in America, would also have one of the best festivals to celebrate Earth Day. Every year, Earth Day SF aims to educate and entertain. They have every aspect of Earth Day covered, promoting clean energy, health and nutrition, sustainability, and greener transportation. Outside Lands Music and Arts Festival is the city's most popular music festival. Held annually in the Outside Lands area, which has been developed into and known today as Golden Gate Park, the aptly named festival also features a diverse lineup of music, from hip-hop to alternative rock, and even electronic to indie. Attendees can enjoy the live music on the lush layout, while feasting on some of the Bay Area's best restaurants, food vendors, craft beer, and fine wine. And these popular fests just barely scrape the surface of the San Francisco festival scene. With so many richly diverse neighborhoods jam-packed into this small and populous city, be sure to check out some of the other amazing festivals this city has to offer!