16. Kansas: Museum of World Treasures
> Where: Wichita
> Admission: $9.95 adults; $8.95 seniors (65+); $7.95 children 4-12; free for children 3 and under.
> Annual attendance: 45,000
> Known for: Part of Berlin Wall, fossils, Civil War artifacts, presidential documents.
17. Kentucky: Louisville Slugger Museum & Factory
> Where: Louisville
> Admission: $15 adults; $14 seniors (60+); children (6-12) $8; free for children under 5.
> Annual attendance: 326,595
> Known for: Story about the famous baseball bat and its impact on the game.
18. Louisiana: National World War II Museum
> Where: New Orleans
> Admission: $28 for adults; $24 for seniors over age 65; $18 for students K-12 and college with ID and active military with ID; and museum members, World War II veterans and children under 5 admitted free.
> Annual attendance: 754,465
> Known for: In-depth exploration of America’s role in World War II.
19. Maine: Maine Maritime Museum
> Where: Bath
> Admission: $17.50 adults; $16 seniors; $10.50 children 6-12; free for child under 6.
> Annual attendance: 56,000
> Known for: Shipwreck restoration, Maine maritime history.
20. Maryland: The American Visionary Art Museum
> Where: Baltimore
> Admission: $15.95 adults; $13.95 seniors (60+); student/child $9.95; children 6 and under free.
> Annual attendance: More than 100,000
> Known for: Great Mystery Show explores mystery behind art and science.