The Legion of Honor is a beautiful museum in San Francisco with truly interesting exhibitions that is a great spot on a family outing to the city, as children 12 and under are free. In addition to an exhibition of more than 250 objects containing drawings by Michelangelo Buonarroti, Anthonie Waterloo, Giacomo Balla, Edward Hopper, Hans Arp, Andy Warhol, and Wayne Thiebaud. A special emphasis has been placed on the acquisition of photography, with important works by Carleton Watkins, Lewis Carroll, Imogen Cunningham, and Diane Arbus on display. Tickets to admit four people: general admission, Tuesday through Sunday.