San Francisco is a fantastic destination for families looking to explore national parks and theme parks on a budget. The city offers easy access to iconic spots like the Golden Gate Park, and nearby Muir Woods National Monument for nature lovers. Plus, you can enjoy family-friendly attractions like Pier 39 and Fisherman's Wharf without breaking the bank.

Yosemite National Park is a fantastic choice for a family trip in July, especially with kids. It offers breathtaking natural scenery, iconic landmarks like El Capitan and Half Dome, and plenty of kid-friendly hiking trails and outdoor activities. It's a great way to experience the great outdoors on a budget while enjoying some of California's most famous landscapes.

Anaheim is a fantastic destination for families looking for a mix of national parks and theme parks on a cheap budget. It's home to the world-famous Disneyland Resort, offering endless fun for kids and adults alike. Plus, its proximity to beautiful natural parks and outdoor spaces means you can enjoy both thrilling rides and serene nature experiences.