Just across the bay from San Francisco, a 4,000-acre former naval air station is quietly turning into one of the Bay Area's more interesting day-trip destinations. Alameda Naval Air Station opened in November 1940 and earned the nickname "Gateway to the Pacific" during WWII, when it logged over two million man-hours in July 1945 alone. After the base closed in 1997, the Navy handed the land to the City of Alameda in 2013, and the site is now being reshaped into a community of 1,425 homes, more than 200 acres of parks, and 5.5 million square feet of commercial space.

For visitors, the draw is the waterfront. Alameda Waterfront Park, also called the Seaplane Lagoon Promenade, serves up postcard views of the San Francisco skyline across the bay. History fans get two solid stops here: the Alameda Naval Air Museum and the USS Hornet, the aircraft carrier that launched the Doolittle Raid on Tokyo in 1942 and later recovered the Apollo 11 astronauts in 1969.

Crown Memorial State Beach adds 2.5 miles of sand, shallow swimming water, dunes and bike trails, all restored through a multi-million dollar engineering project. Motorboats are banned, but kayaking, paddleboarding and licensed fishing are fair game. Families should head to the Doug Siden Visitor Center at Crab Cove, with interactive exhibits and an 800-gallon aquarium, while birders can scan the Elsie Roemer Bird Sanctuary for Black-bellied Plovers, Long-billed Dowitchers and Greater Yellowlegs. The whole park opens dawn to dusk, with picnic spots, public art and a concrete promenade built with rising sea levels in mind.

There's plenty beyond the shoreline too. The Pacific Pinball Museum traces the game back to 1871, when Montague Redgrave patented his spring-loaded plunger design — Depression-era machines cost $17.50, roughly $430 today. Alameda also lays claim to one of America's famous spite houses: Charles Froling's early-1900s home, built on a sliver of land 54 feet long and just 10 feet wide after the city seized part of his plot. You can't go inside, but it's worth a photo.

On the first Sunday of each month, Alameda Point hosts northern California's largest antique fair, the Alameda Point Antiques and Collectibles Faire. And before leaving, consider a stop at St. George Spirits, one of the country's best-known absinthe distilleries, or a short hop across to Oakland's Wahpepah's Kitchen for Native American dishes like wild rice fritters and deer sticks.

Alameda Point suits a particular kind of traveller: anyone who likes their sightseeing low-key, walkable and free of big-ticket queues. It pairs naturally with a San Francisco trip — the city is visible from the promenade — and works well for families thanks to the beach, aquarium and flat cycling terrain. Give it half a day to a full day, wear layers (it's the Bay), and check that the antique faire lines up with your dates.