When most folks think of museums, images or art, history and science come to mind. And although those are certainly worthy subjects, there are also museums across the country that are devoted to more unusual if not downright frivolous subjects. So next time you have a hankering to learn a little bit about anything from rattlesnakes to the history of RVs,  check out these  fun and funky US museums.

American Rattlesnake Museum

One of Arizona’s most unusual museums features the largest collection of live rattlesnakes in the world, plus a kitschy display of reptile-related objects. American Rattlesnake Museum

Jack Sisemore Traveland RV Museum

Located on the back lot of one of Amarillo’s largest RV dealerships, this nostalgic museum houses a large collection of restored RVs, which date back to 1921. Jack Sisemore Traveland RV Museum

Glore Psychiatric Museum

This St. Joseph museum not only gives visitors a new perspective on mental illness, but it also presents an eye-opening retrospective of some of the bizarre — and painful — psychiatric treatments used over the centuries. Glore Psychiatric Museum