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Have a picnic at Dolores Park - Locals flock to this beautiful city park in the Mission on even the slightest of sunny days.

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Visit the DeYoung Museum - Home to beautiful art pieces and ever-changing galleries, this is a local favorite. Go to the observation deck on the top floor for a stunning 360-degree view of the city.

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Relax at Baker Beach - With a great view of the Golden Gate Bridge, this beach is the most popular among locals.

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Go shopping in the Marina District - In the mood for a shopping spree? The Marina District is filled with trendy boutiques.

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Go to a Giants game - Grab a beer and some garlic fries and enjoy the ball game.

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Go to the Walt Disney Family Museum - Not exactly Disneyland, but still very interesting.

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Find all of the heart sculptures - The iconic heart sculptures are hidden throughout the city. Try to take a photo in front of them all.

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Climb the Moraga St. steps to Grand View Park - One of the less-known sites, this stunning tiled stairway leads to a 360-degree view of the city.

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Root for the Warriors - The Golden State Warriors are arguably the best basketball team in history. Go to a game and root for the home team!

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See the colorful houses of the Sunset District - This district is dotted with the most vibrant houses. Even on the grayest of days, they brighten the streets.

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Go ice skating in Union Square - In the winter, there is an ice rink in the center of Union Square. It's the best way to get into the holiday spirit.

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Ride on the MUNI - Get around like a local by using public transportation.

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Find the Lands End Labyrinth - Reach your zen by walking through this beautiful rock maze. The stunning view helps too!

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Go to Ghiradelli Square - Free chocolate samples? Enough said.

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Visit the iconic Castro District - The famous gay district is marked with rainbow flags through the streets and has a fascinating history.

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Eat tacos in the Mission District - La Taqueria is famous for the tastiest of street tacos, but there are many, many other options.

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Go to the top of the new tallest building in the city - Recently erected, the SalesForce building is now the tallest building in the Financial District.

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Go to the Sutro Baths - Built in 1896, this used to be a public saltwater swimming pool, but after burning down in 1966 all that is left are the beautiful ruins on the seafront.

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Try samples in the Ferry Building Marketplace - This iconic market is home to some of the best artisan shops.

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Find the Haight-Ashbury street sign - The intersection of these two famous streets will transport you back to the 1970s.

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Visit the Palace of Fine Arts - These stunning European-style buildings and columns are the perfect backdrop for your family photos

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Find the best view - San Francisco is beautiful from nearly every angle. Find your favorite lookout!

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Go see Coit Tower - Climb to the top of this landmark in Telegraph Hill.

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Go for a boat ride in the bay - The best way to view the city is out on the water.

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Explore Chinatown - This is one of the best Chinatowns in America. The fortune cookie factory is a fun way to spend the afternoon.

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Find the windmills in Golden Gate Park - Transport yourself to the Netherlands by finding these sites.

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Find the 'Full House' house - D.J., is that you?

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Fly a kite at Crissy Fields - The gusts of wind from the bay are perfect for flying kites.

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Take the night tour of Alcatraz - Are you brave enough to explore this iconic island penitentiary in the dark?

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Go to the Off The Grid food truck party - Can't decide where to eat? There is something for everyone at this weekly food truck party.

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Bike across the Golden Gate Bridge - Rent a bike and head across the bridge to Sausalito, the cute little town on the other side.

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Go for a run at Ocean Beach - The long stretch of sandy beaches is perfect for a run with a view.

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Go bar hopping on Polk St. - This street has some of the best nightlife in the city.

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See the Bay Bridge at night - A light installation illuminates the walkway on the edge of the city.

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Go see live music in North Beach - The perfect night out is going to North Beach and checking out some live bands.

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Eat ramen in Japan Town -

A bowl of hot ramen is just what you need on a foggy day.

See also: The world's most spectacular astronomical observatories

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