Self-guided Sightseeing Tour #4 in San Francisco, United States

Washington Square is an American park in the North Beach district of San Francisco. It was established in 1847 and is one of the city's first parks. The park is bordered by sidewalk cafes and restaurants such as Mama's (restaurant) and Park Tavern restaurants and the Liguria Bakery, as well as Sts. Peter and Paul Church.

Wikipedia: Washington Square (San Francisco) (EN)

Coit Tower is a 210-foot (64 m) tower in the Telegraph Hill neighborhood of San Francisco, California, overlooking the city and San Francisco Bay. The tower, in the city's Pioneer Park, was built between 1932 and 1933 using Lillie Hitchcock Coit's bequest to beautify the city of San Francisco. It was added to the National Register of Historic Places on January 29, 2008.

Wikipedia: Coit Tower (EN), Website

Telegraph Hill is a hill and surrounding neighborhood in San Francisco, California. It is one of San Francisco's 44 hills, and one of its original "Seven Hills".

Wikipedia: Telegraph Hill, San Francisco (EN)

Pioneer Park is a 4.89-acre (19,800 m2) park crowning the top of Telegraph Hill in San Francisco. It was established in 1876 in celebration of the United States Centennial. Prior to establishment of the park, it was the site of the Marine Telegraph Station. The main feature of the park, Coit Tower, was completed in 1933 using a $118,000 bequest left to the city by Lillie Hitchcock Coit in 1929. A bronze statue of Christopher Columbus was placed in the park in 1957, and removed in June, 2020.

Wikipedia: Pioneer Park (San Francisco) (EN)

The Exploratorium is a museum of science, technology, and arts in San Francisco, California. Founded by physicist and educator Frank Oppenheimer in 1969, the museum was originally located in the Palace of Fine Arts and was relocated in 2013 to Piers 15 and 17 on San Francisco's waterfront.

Wikipedia: Exploratorium (EN), Website