20 Man-made Structures- Other to Explore in San Francisco County

The 16th Avenue Tiled Steps are a set of mosaic staircases in the Inner Sunset District. These colorful pieces of art showcase intricate designs that can be enjoyed from both far away and close up. The theme of the overall design focuses on the sea to the stars. You will see lovely spiral designs with small sea creatures all around them. You will also see a set of stairs with a beautiful moon. Another popular one is a yellow and orange sun.

The Asian Art Museum of San Francisco houses one of the most comprehensive Asian art collections in the world, with more than 18,000 works of art in its permanent collection, some as much as 6,000 years old.

Battery Spencer is a historic concrete military battery that today serves as an overlook above the Golden Gate Bridge and offers iconic and stunning views and photo opportunities. Photos taken of the Golden Gate Bridge from Battery Spencer have been some of the most iconic out there and featured on prints, postcards, and posters. The Battery was originally a gun battery from 1897 to 1942 and was named for a Revolutionary War hero.

California Historical Society inspires and empowers Californians to make the past a meaningful part of their contemporary lives. The Society maintains a collection of historical documents, photographs, art and other research materials, awards the annual California Historical Society Book Prize, and publishes California History, an academic journal, in association with the University of California Press.

This is the oldest Chinatown in North America and the largest Chinese enclave outside Asia.

The Exploratorium is a museum of science, technology, and arts in San Francisco. A huge number of diverse exhibits, and many with hand-on learning experiences. This is the only place in San Francisco where visitors can touch, tinker and play with more than 650 hands-on exhibits.

Hyde Street Pier is home to the fleet of historic landmark vessels in the collection of the San Francisco Maritime National Historical Park, which is a unit of the National Park System. For a modest admission fee, visitors can board this fleet of turn-of-century historic ships.

Lombard Street is an east-west street in San Francisco, California that is famous for a steep, one-block section with eight hairpin turns. Stretching from The Presidio east to The Embarcadero. The famous one-block section claimed to be "the most crooked street in the world", is located along the eastern segment in the Russian Hill neighborhood. It is a major tourist attraction.

PIER 39—the most visited destination in San Francisco offers two levels of dining, entertainment, shopping and attractions, all surrounded by unbeatable views of the city and the Bay. A two-story carousel is one of the pier's more dominant features, although it is not directly visible from the street and sits towards the end of the pier. The family-oriented entertainment and presence of marine mammals make this a popular tourist location for families with kids.

Rosie the Riveter World War II Home Front National Historical Park is a United States national historical park located in Richmond, California, near San Francisco. The park preserves and interprets the legacy of the United States home front during World War II, including the Kaiser Richmond Shipyards, the Victory ship SS Red Oak Victory, a tank factory, housing developments and other facilities built to support America's entry into World War II.

The San Francisco Maritime National Historical Park is located in San Francisco, California, United States. The park includes a fleet of historic vessels, a visitor center, a maritime museum, and a library/research facility.

The SS Jeremiah O'Brien is one of two remaining fully functional Liberty ships of the 2,710 built and launched during World War II. Now based in San Francisco, she is a rare survivor of the 6,939-ship 6 June 1944 D-Day armada off the coast of Normandy, France.

The Stow Lake Boathouse is a recreational facility in San Francisco.The boathouse is located at Stow Lake, which is on the easternmost side of Golden Gate Park.

The Sutro Baths was a large, privately owned public saltwater swimming pool complex in the Lands End area of the Outer Richmond District. The structure was situated in a small beach inlet below the Cliff House, also owned by Adolph Sutro at the time. Both the Cliff House and the former baths site are now a part of the Golden Gate National Recreation Area, operated by the United States National Park Service.

The Pacific Marine Mammal Center Rescues, Rehabilitates And Releases Marine Mammals And Inspires Ocean Stewardship Through Research, Education And Collaboration.It also serves as a center for environmental research and education regarding marine mammals, namely cetaceans, pinnipeds, otters and sirenians.

This is a monumental structure originally constructed for the 1915 Panama-Pacific Exposition in order to exhibit works of art presented there. Situated in the Marina District of San Francisco, California. In addition to hosting art exhibitions, it remains a popular attraction for tourists and locals.

The Wave Organ is a wave-activated acoustic sculpture located on a jetty in the San Francisco Bay. There is a panoramic view of the city across the narrow channel into the St. Francis and Golden Gate yacht clubs, bounded on the left by the Fort Mason piers and to the right by a towering eucalyptus grove bordering Crissy Field. The park and trail to it are wheelchair accessible, with the trailhead at the Marina Green park.

This is a 48-story futurist building and the second-tallest skyscraper in the San Francisco skyline. It was the tallest building in San Francisco from its inception in 1972 until 2018.

The USS Pampanito is a meticulously restored World War II diesel-electric powered submarine. Located at Historic Pier 45, in the heart of Fisherman's Wharf, Pampanito is both a museum and a memorial to those who served in the "silent service." Built in 1943, Pampanito made six patrols in the Pacific during which she sank six enemy ships and damaged four others. Open daily to the public, offering self-guided audio tours and docent-led tours.

The War Memorial Opera House was built as a monument to San Francisco's dead from World War I. It has been the home of the San Francisco Opera since opening night in 1932. It was the site of the San Francisco Conference, the first assembly of the newly organized the United Nations in April 1945. The artists who have performed on its stage are as legendary as the building itself. The theater hosts more than sixty performances of nine operas annually.