If you haven't yet figured out a Father's Day gift for the dad(s) in your life, don't fret: For most people, it's harder to shop for dads than for moms. Besides, what he'll probably appreciate more than another tie, wallet or belt, is time --with you. How about taking him kite flying, on a cruise, or to a luau or a park festival this weekend? These and other ideas are on our list of San Francisco Father's Day activities.

When you can see at least eight free films in a week, you know it's summer in the Bay Area.  Start tonight with The Fantastic Mr. Fox at McCoppin Square in San Francisco.  On Saturday night, shiver with Vertigo at 6 pm at the Walt Disney Family Museum in the Presidio. Then dash to Dolores Park, where you might literally shiver but can probably distract yourself by singing with Meryl Streep in Mamma Mia!

On Tuesday, June 19, there's The Adventures of Tintin at Stonestown Galleria and Arsenic and Old Lace at the Mark Hopkins.  On Thursday, June 21, choose among outdoor showings of The Muppets in Redwood City, Some Like it Hot in San Jose and a program of shorts by Bay Area filmmakers in North Oakland's Temescal neighborhood.

Can you keep up with this frenzy of free flicks, which lasts all summer? Check our guide to the free summer movie series in the San Francisco Bay Area.

An issue as gargantuan as climate change is difficult to truly understand, especially for non-scientific types like myself.  Al Gore's "An Inconvenient Truth" was one attempt to enlighten the masses, though it was bogged down with too much data (my one take-away: Polar bears are drowning because they have to swim too far between ice swaths).  Some creative folks in San Francisco, though, have now brought the issue home, in a set of topographical maps of a deluged San Francisco.

Sea levels having risen 200 feet, Divisadero is a harbor, Dolores is a cape and  Duboce a beach. Hayes Valley is an point and the Haight an inlet. As envisioned by Burrito Justice and local designer Brian Stokle, Potrero, Telegraph and Nob hills are all islands.

The Sunset is "Outside Sands" (a riff on its original name of "Outside Lands").  Castro is a bay (without pigs). San Francisco Aquarium is a truly submersible experience. Stern Grove is a shipyard, and the Presidio, in a return to its military past, is a submarine base.

And SoMa, the former home of social networking start-ups and their gazillionaire techies? It's simply "Soma Depths."

San Francisco circa 2072, as reported by Burrito Justice, has political issues and controversies that have historical undertones. Bernal Isle residents, for instance, complain about the design of a new bridge and "worry that the influx of new visitors will threaten the 'unique' character of the island." An investigation finds that Muni has exaggerated the on-time statistics for its sea-bus fleet since 2064, claiming the average speed is 20 knots, instead of 20 mph.

If 200 feet is unfathomable, there is the more likely scenario (and accompanying maps) of San Francisco a mere 25 feet underwater. The city's hills are still above-water hills, but Dolores is a cove. That could "actually happen in our lifetimes if the ice sheets in Greenland or Western Antarctica completely melted," Stokle writes.

Dolores Park's location and weather make it
one of San Francisco's most popular parks.

It's in none other than San Francisco, naturally (we wouldn't be writing about it otherwise!). That's according to the nonprofit park advocacy organization Trust for Public Land, which rated the park systems in the 40 largest cities in the U.S.

Find out why SF's parks are so impressive in our article about the just-released nationwide parks report, and then go bask in a park. A related bonus: On Saturday, June 9--National Get Outdoors Day--admission to all national parks is free, like Muir Woods, Yosemite and Sequoia.

Speaking of parks, the Golden Gate Bridge stands in park space, the Golden Gate National Recreation Area. And although the biggest party for the bridge's 75th anniversary was during Memorial Day weekend, there are many more celebratory events happening this summer and fall, including concerts, films, exhibits and contests.