In the summer in the United States, the temperature may be relatively high in some areas, so it is very common to choose some summer destinations. The following are some recommended itineraries for planning summer vacations in the United States:

1. East Coast of the United States: You can choose to go to seaside cities such as Miami, Orlando, Florida, Charleston, South Carolina, etc. . In these places, you can enjoy the sand, waves, and water activities, while there are also plenty of museums, shopping malls, and theme parks to choose from.

2. West Coast of the United States: In summer, the temperatures in areas such as San Francisco, San Diego and Los Angeles in California are relatively pleasant. You can tour the Golden Gate Bridge in San Francisco, visit Hollywood in Los Angeles, or take part in outdoor activities in San Diego like hiking or water sports.

3. Inland America: If you want to get away from the beach, inland states like Colorado, Utah, Tennessee, and more offer many summer options. You can go to the Rocky Mountains in Colorado to experience climbing and camping, or go to the Great Falls and National Parks in Tennessee to enjoy the fresh air of nature.

4. Alaska, USA: Alaska has relatively low temperatures in summer, making it very suitable for summer escape. You can choose to take a cruise to explore Alaska's coastline, admire glaciers, watch wildlife, or add outdoor activities such as hiking and fishing.

5. American summer music festivals and outdoor activities: During the summer, there are many music festivals and outdoor activities across the United States. You can head to the Aspen Music Festival in Colorado, the Austin Urban Music Festival in Texas, or the Miami Ultra Music Festival in Florida. In addition, you can also participate in outdoor sports such as hiking, kayaking, white water rafting, and more.

When planning your summer vacation itinerary in the United States, you can choose a suitable destination based on your preferences and time. It is also recommended that you check local weather conditions, attraction opening hours, and book accommodation and transportation in advance. Also, make sure you have proper sun protection and drinking water to stay healthy and comfortable.