Gilroy is located about 35 miles south of San Jose International Airport. It is also known as the "Garlic Capital of the World."
July -- Gilroy Garlic Festival, . The country's largest festival devoted to everything garlic. Garlic plushies, garlic ice cream, garlic weavings, garlic wine, garlic-till-you're-sick. The last full weekend of July.
Gilroy Gardens, 3050 Hecker Pass Hwy, +1 408 840-7100, . Open from mid-spring to mid-fall. A theme park whose theme is plants, agriculture, and local history. Best for people interested in gardens, and for families with younger children. Like Legoland, the rides here do not cater to teenagers or older.
Chitactac-Adams Heritage County Park is an interesting little park where the Ohlone people lived for several thousand years. It's not a destination by itself, but if you're in the area ...
Visit some local wineries.
Gilroy is known for its outlets. At Gilroy Premium Outlets,  their 145 outlet stores draw people from near and far. Located at 681 Leavesly Rd., Gilroy, CA 95020. If you're in the mood for shopping, the outlets are easy to see just off 101.
Black Bear Diner, 393 Leavesley Road (West of 101 Exit, next to Forest Park Inn), ☎ 408-842-9901. American comfort food, bear-shaped paraphenalia
Joe's Italian Restaurant, 168 W. 10th Street, ☎ 408-842-1446. Sicilian
Claddagh, 1300 S. 1st Street (West end of 1st, just before it heads into the hills), ☎ 408-848-5050. Irish pub & restaurant. Soccer on the telly when available.
The Longhouse, 8195 Monterey Highway, ☎ 408-842-7664. American food. Friendly waitstaff
Pho Ho An II, 890 Renz Lane #152 (Next to the Best Buy). Vietnamese. Note, there's an ATM on site but they don't take debit or credit cards.
Scotty's Restaurant at Gilroy Bowl, 7554 Monterey St., ☎ 408-842-5100. Yes they're attached to a bowling alley, but the service is great and they have good Hawaiian and Japanese food (loco moco, spam musubi, donburi, etc.) along with standard diner fare.
Victoria's Mexican Restaurant, 757 1st Street, ☎ 408-848-1052. What it says on the tin.