In Arizona, visit Kitts Peak National Observatory Visitor Center and Museum (90 minute drive from Tucson) where the largest solar telescope is located. Take their guided tour daily at 10 a.m., 11:30 a.m., and 1:30 p.m.. (520) 318-8726, www.noao.edu/outreach/kpvc.
Of course, why not visit the sunniest place in the United States ~ Yuma, AZ, where it's sunny and clear 90 percent of total daylight hours. Yuma is located along the banks of the Colorado River on the border of Mexico and California. Visit the sand dunes in the surrounding area which for off-road drivers and sand vehicles. (800) 293-0071, see all the things there are to do at www.visityuma.com.
Find your place in the sun, make sure you stay hydrated, use plenty of sunscreen, and enjoy your day. Happy Summer Solstice everyone!