In 2007, it visited 10 cities through the spring and summer.
Lots of tourists come to visit and go through it every summer.
Groups can visit by special appointment all through the year and climb up to the top.
Over 4,000 international guests have visited Iowa through this program.
The buildings can now be visited by appointment through the national trust.
Dee and her family were visiting in town through the morning.
In winter, it can only be visited through guided tours.
Fifty-three million people had visited the museum from its opening in 1955 through 2005.
The band visited numerous international venues from 2006 through 2007.
During 2010, around 27,000 Cambodians visited the museum through this tour.