1. Relive your childhood roller skating days at the Church of 8 Wheels.
Where: 554 Fillmore at Fell (Lower Haight)
Get your sk8rboi on at this renovated church. In addition to public skating hours, lessons are offered every Saturday at 1 p.m.
4. Tour a fortune cookie factory in Chinatown.
Where: 56 Ross Alley
See where the, well, cookies get made at Golden Gate Fortune Cookie Factory. Entrance is free, but it's nice to tip. Bonus: you get free defective cookie samples.
5. Learn to make fresh mozzarella, vertical terrarriums, soy candles, and more at Workshop.
Where: 1798 McAllister St. (Nopa)
Get your hipster DIYer hat on at Workshop, where for about $60 you can learn to make anything from craft cocktails to soap. Beware: you just might discover your next favorite hobby.
6. Go for a very '60s spin on the Magic Bus.
Where: Departs from Union Square
Hop on this whimsical tour bus for a tour of San Francisco's rich hippie history, including a mystical "LSD trip" and a stop at Hippie Hill. Also perfect for when you have out-of-town guests.
7. Take a rowboat or paddleboat for a spin around Stow Lake in Golden Gate Park.
Where: 50 Stow Lake (near the longitude of 19th Ave.)
For $21.50/hour (row boats) or $27/hour (paddle boats), you can cruise around the lake and under some cool bridges. There's also a small café on site in case you're jonesing for a snack afterwards.
9. Check out PUG SUNDAY at Alta Plaza Park.
11. Learn to work the trapeze at the Circus Center.
Where: 755 Frederick St. (Inner Sunset)
Want to try your hand at flying trapeze, aerial, acrobatics, trampoline, or juggling? You can get an intro pack of five beginner classes for $99. (There's also a "clown conservatory" at the center, if you're one of those people who's not terrified of clowns.)
12. Walk the labyrinth at Grace Cathedral.
Where: 1100 California St. (Nob Hill)
A gorgeous Episcopal church, Grace Cathedral features both an indoor and outdoor labyrinth. The outdoor one is available 24/7; indoors, you can stop by from 6 – 8 pm on the second Friday of each month for a special candlelit meditation service.
13. Summon up your inner daredevil and go hang gliding over Fort Funston.
17. Paddle around downtown courtesy of City Kayak.
Where: Pier 40 (south of the Ferry Building)
Rent a kayak, canoe, surfski, or stand-up paddleboard at this downtown outpost. (Pro tip: sign up for a twilight kayak tour!)