Discover the best things to do this weekend and beyond. Grab a basketball or a tennis racket. Plenty of pet rescues and shelters are constantly on the hunt for willing fosters—especially on weekends, To be able to do good for others is gift enough, but to be able to do. San Francisco has a number of free things to do. Check out your community calendar and Meetup. Try one of these best free things to do in every state with kids and adults. Most parks have courts and fields you can use for free as long. Many travel guides rate it as one of America's most diverse and scenic cities, but like many major coastal locations, it is pricey! If you're looking for free things to do near Washington, DC, you're in the right place. And that solution is a visit to one of our many parks or trails.