A collection of neon art and signs as well as displays about the history and technology of neon. True neon aficionados can sign up for the "Neon Cruise," a nighttime narrated bus tour of the city's signs, movie marquees and permanent art installations. Thursday-Saturday noon-7 pm, Sunday noon-5 pm. Admission US$7 adults, US$5 seniors and students with ID, US$3 children ages 5-12, free for children younger than 5. The Neon Cruise departs at 8 pm most Saturdays and costs US$55. 136 W. Fourth St. (downtown, between Spring and Main streets), Los Angeles. Phone 213-489-9918. http://www.neonmona.org.