Tue.–Sun. through April 10, 10 a.m.–4:30 p.m.
Conservatory of Flowers, Golden Gate Park
Celebrating S.F.’s 1915 Pan-Pacific International Exposition, in this enchanting display landscaped with hundreds of dwarf plants and several water features, model trains wind their way through the festive fairgrounds, including the Tower of Jewels, Palace of Fine Arts, and more. $8 ($6 for S.F. residents), 415-831-2090, conservatoryofflowers.org