Los Angeles offers a wide range of activities and attractions, especially in the summer. Here are some of the best things to do:

1. **Visit the Beaches**: Enjoy the iconic beaches such as Santa Monica Beach, Venice Beach, or Malibu. You can swim, surf, sunbathe, or simply stroll along the boardwalks.

2. **Explore Griffith Park**: Visit Griffith Observatory for stunning views of the city and the Hollywood Sign. You can also hike the trails in Griffith Park or have a picnic in the park.

3. **Hollywood Attractions**: Take a walk along the Hollywood Walk of Fame, visit the TCL Chinese Theatre, or hike up to the Hollywood Sign for a closer view.

4. **Museums and Galleries**: Explore the Getty Center for art collections and scenic gardens, or visit LACMA (Los Angeles County Museum of Art) for its diverse art exhibits.

5. **Outdoor Activities**: Go hiking in Runyon Canyon or the Santa Monica Mountains, or bike along the Marvin Braude Bike Trail that stretches along the coast.

6. **Amusement Parks**: Spend a day at Universal Studios Hollywood for movie-themed rides and attractions, or visit Disneyland Resort in nearby Anaheim.

7. **Cultural Neighborhoods**: Explore neighborhoods like Downtown LA, Little Tokyo, Chinatown, and Olvera Street for their cultural attractions, shops, and restaurants.

8. **Food and Dining**: LA offers a diverse culinary scene. Try food trucks, trendy restaurants, or visit the Original Farmers Market for a variety of cuisines.

9. **Live Entertainment**: Catch a show at the Hollywood Bowl for concerts under the stars, or see a performance at the Walt Disney Concert Hall or the Greek Theatre.

10. **Shopping**: Shop along Rodeo Drive in Beverly Hills for luxury goods, explore trendy boutiques in Melrose Avenue, or visit The Grove for shopping and entertainment.

Remember to check the local events calendar for festivals, outdoor concerts, and special events happening during your visit. Los Angeles is vibrant and diverse, offering something for everyone to enjoy during the summer months.