1. Alabama: U.S. Space & Rocket Center
> Where: Huntsville
> Admission: $25 adults; $17 children 5-12; free for children under 4.
> Annual attendance: 786,820
> Known for: Saturn V rocket exhibit.
2. Alaska: Anchorage Museum
> Admission: $18 adult; $15 Alaska resident; $12 senior, student, and military; $9 children 3-12; free for children 2 and under.
> Annual attendance: 200,000
> Known for: Native prehistoric and ethnographic artifacts illustrating Alaskan history.
3. Arizona: Musical Instrument Museum
> Where: Phoenix
> Admission: $20 general, $15 ages 13-19; $10 for ages 4-12; free for children 3 and under.
> Annual attendance: 250,000
> Known for: Biggest museum of its kind in world.
4. Arkansas: Crystal Bridges Museum of American Art
> Where: Bentonville
> Admission: Free to view permanent collections
> Annual attendance attendance: 633,000
> Known for: Works from Georgia O’Keeffe and Benjamin West.
5. California: The Getty Center
> Where: Los Angeles
> Admission: Free
> Annual attendance attendance: More than 2 million
> Known for: Art from the Renaissance, Dutch masters, Spanish painters, and contemporary artists.