San Fran and San Diego
Union Square is one of San Fran and San Diego.

1. Union Square

8.4
333 Post St (btwn Powell & Stockton St), San Francisco, CA
Pedestrian Plaza · Downtown San Francisco-Union Square · 435 tips and reviews

Robert G.Robert Gaal: Free Wifi! (well, sometimes, when it's working, and the reception's good, and you're not being run over by pigeons)

Ferry Building Marketplace is one of San Fran and San Diego.

2. Ferry Building Marketplace

9.3
1 Ferry Building (at The Embarcadero), San Francisco, CA
Market · Financial District · 468 tips and reviews

Corinna P.Corinna P: What I like best about the ferry building is I don't have to choose. I can snack on Hog Island Oysters AND get a Roli Roti sando AND eat cowgirl creamery cheese AND get a geranium macaron at Miette.

Alcatraz Island is one of San Fran and San Diego.

3. Alcatraz Island

9.3
Golden Gate National Recreation Area (San Francisco Bay), San Francisco, CA
Historic and Protected Site · 503 tips and reviews
Mission Dolores Park is one of San Fran and San Diego.

4. Mission Dolores Park

9.4
Dolores & Church St (btwn 18th & 20th St), San Francisco, CA
Park · 505 tips and reviews

Andrew C.Andrew Cerda: Stop by during the day for some great people watching, day drinking, and relaxsunning. Or come by at night for a picturesque cityscape.

Sea Lions is one of San Fran and San Diego.

5. Sea Lions

9.1
Pier 39's West Marina (The Embarcadero), San Francisco, CA
Zoo Exhibit · Fishermans Wharf · 200 tips and reviews

Andrew C.Andrew Cerda: Pinch your nose, because this place stinks! Literally.

San Francisco International Airport (SFO) is one of San Fran and San Diego.

6. San Francisco International Airport (SFO)

7.1
N McDonnell Rd (at Link Rd), San Francisco, CA
International Airport · 3580 tips and reviews
Golden Gate Bridge is one of San Fran and San Diego.

7. Golden Gate Bridge

Golden Gate Brg S, San Francisco, CA
Bridge · 817 tips and reviews

HISTORYHISTORY: The Golden Gate Bridge was the longest suspension bridge span in the world when it was completed in 1937, & has become an internationally recognized symbol of San Francisco and CA.

Golden Gate Park is one of San Fran and San Diego.

8. Golden Gate Park

9.6
501 Stanyan St (btwn Fulton St & Lincoln Way), San Francisco, CA
Park · Golden Gate Park · 359 tips and reviews
San Francisco Centre is one of San Fran and San Diego.

9. San Francisco Centre

7.3
865 Market St (btwn 4th & 5th St), San Francisco, CA
Shopping Mall · SoMa · 226 tips and reviews
San Francisco Museum of Modern Art is one of San Fran and San Diego.

10. San Francisco Museum of Modern Art

9.4
151 3rd St (btwn Mission & Howard St), San Francisco, CA
Art Museum · SoMa · 242 tips and reviews
Union Square is one of San Fran and San Diego.

11. Union Square

8.4
333 Post St (btwn Powell & Stockton St), San Francisco, CA
Pedestrian Plaza · Downtown San Francisco-Union Square · 435 tips and reviews

Travel ChannelTravel Channel: Union Square is a haven for shoppers: look in any direction and you will see upscale department stores. Nearby, visitors can hop onto a cable car on Powell Street.

de Young Museum is one of San Fran and San Diego.

12. de Young Museum

9.1
50 Hagiwara Tea Garden Dr (at John F Kennedy Dr), San Francisco, CA
Art Museum · Golden Gate Park · 279 tips and reviews
Pier 39 is one of San Fran and San Diego.

13. Pier 39

2 Beach St (at The Embarcadero), San Francisco, CA
Pier · Fishermans Wharf · 386 tips and reviews

National Wildlife FederationNational Wildlife Federation: Check out the sea lions at Fisherman's Wharf - they are amusing to watch!

Sutro Baths is one of San Fran and San Diego.

14. Sutro Baths

9.3
Point Lobos Ave. (at Merrie Way), San Francisco, CA
Historic and Protected Site · 80 tips and reviews

SF WeeklySF Weekly: SF Weekly’s Best Of 2011 Winner – Editorial Pick – BEST RUINS IN THE MIDST OF A CITYIt's a gorgeous, poignant place to visit (and, mark our words, a spectacular spot to bring out-of-towners). Read more.

San Francisco-Oakland Bay Bridge is one of San Fran and San Diego.

15. San Francisco-Oakland Bay Bridge

Interstate 80, San Francisco, CA
Bridge · Yerba Buena Island · 326 tips and reviews

MazdaMazda: Forming part of Interstate 80 and of the direct road route between San Francisco and Oakland, it carries approximately 270,000 vehicles per day on its two decks.

Fisherman's Wharf is one of San Fran and San Diego.

16. Fisherman's Wharf

2801 Leavenworth St (at Bay St), San Francisco, CA
Pier · Fishermans Wharf · 338 tips and reviews
Alamo Square is one of San Fran and San Diego.

17. Alamo Square

9.3
Steiner St (btwn Fulton & Hayes St), San Francisco, CA
Park · Alamo Square · 167 tips and reviews
AleSmith Brewing Company is one of San Fran and San Diego.

18. AleSmith Brewing Company

9368 Cabot Dr (btwn Miramar Rd & Arjons Dr), San Diego, CA
Brewery · Miramar · 50 tips and reviews

Peggy G.Peggy Gartin: Speedway Stout is the best stout you might ever have.

Extraordinary Desserts is one of San Fran and San Diego.

19. Extraordinary Desserts

8.6
1430 Union St (at W Ash St), San Diego, CA
Dessert Shop · Little Italy · 279 tips and reviews

Jay E.Jay E: Great place for desserts. The perfect spot to meet up with friends. It doesn't matter what dessert you're craving for they've got it..

Chick-fil-A is one of San Fran and San Diego.

20. Chick-fil-A

8.2
10750 Camino Ruiz, San Diego, CA
Fast Food Restaurant · Mira Mesa · 37 tips and reviews
Balboa Park is one of San Fran and San Diego.

21. Balboa Park

9.6
1549 El Prado (at Park Blvd), San Diego, CA
Park · Balboa Park · 334 tips and reviews

Arthur M.Arthur Mitchell: Came into it's own as the location of the 1915 Panama–California Exposition, which created the architectural landmarks for the park. It is home to over a dozen museums and the World Famous SD Zoo.

The San Diego Museum of Art is one of San Fran and San Diego.

22. The San Diego Museum of Art

8.7
1450 El Prado (in Balboa Park), San Diego, CA
Art Museum · Balboa Park · 37 tips and reviews
The Gaslamp Quarter is one of San Fran and San Diego.

23. The Gaslamp Quarter

San Diego, CA
Neighborhood · 86 tips and reviews

Boxfire PressBoxfire Press: The Gaslamp is popular with tourists, but locals will venture downtown to grab some great food and visit a few boutique shops. Easy parking at Horton Plaza.

San Diego Convention Center is one of San Fran and San Diego.

24. San Diego Convention Center

111 W Harbor Dr (at 5th Ave), San Diego, CA
Convention Center · Marina · 105 tips and reviews

Boxfire PressBoxfire Press: The home of Comic-Con, need we say more? Take the trolley to avoid looking for parking.

Hash House a Go Go is one of San Fran and San Diego.

25. Hash House a Go Go

8.1
3628 5th Ave (btwn Brookes & Pennsylvania Ave), San Diego, CA
Breakfast Spot · Hillcrest · 263 tips and reviews

Boxfire PressBoxfire Press: You can't go hungry here. One of their farm-fresh, locally-sourced entrees is more than enough to feed two people. Be prepared to take leftovers and if you're planning for brunch get in line early).

Whiskey Girl is one of San Fran and San Diego.

26. Whiskey Girl

7.1
702 5th Ave (at G St), San Diego, CA
Bar · Gaslamp · 108 tips and reviews

Quang N.Quang Nguyen: Best bar in SD. Fun, cheap, and everyone's nice!

Neighborhood is one of San Fran and San Diego.

27. Neighborhood

8.8
777 G St (at 8th Ave), San Diego, CA
Gastropub · Central San Diego · 200 tips and reviews