The Antelope Valley Fairgrounds is located in the city of Lancaster, in the state of California. This fairground is a popular destination for people of all ages, whether they are looking for entertainment, education, or simply a fun day out with friends and family. Here are some reasons to visit:

1. Events: The Antelope Valley Fairgrounds hosts a variety of events throughout the year, including the annual Antelope Valley Fair and Alfalfa Festival, concerts, rodeos, car shows, and more. Visitors can check the schedule on the fairground's website to see what events are coming up.

2. Exhibits: The fairgrounds is home to a variety of exhibits, including a museum, an art gallery, and a petting zoo. Visitors can learn about local history, view works of art, and interact with farm animals.

3. Fun activities: There are many fun activities to enjoy at the fairgrounds, including carnival rides, games, and food vendors. Visitors can also participate in contests and competitions, such as pie-eating or talent shows.

4. Location: The Antelope Valley Fairgrounds is located in a scenic area, surrounded by mountains and desert landscapes. It's a great place to enjoy the outdoors and take in the beautiful surroundings.

Interesting facts about the Antelope Valley Fairgrounds include:

- The fairgrounds was established in 1938 and has been a popular destination for locals and tourists alike ever since.
- The Antelope Valley Fair and Alfalfa Festival, which takes place every August, is the largest event in the area, attracting over 250,000 visitors each year.
- The fairgrounds has been used as a filming location for several movies and TV shows, including "The A-Team", "Transformers", and "CSI".

The best time of year to visit the Antelope Valley Fairgrounds depends on what you are interested in. For those looking to attend the Antelope Valley Fair and Alfalfa Festival, August is the best time to visit. However, the fairgrounds hosts events and activities throughout the year, so visitors can check the schedule to see what's happening during their preferred time of travel.