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Photo: AllenS, Public domain via Wikimedia Commons
Anderson Museum of Contemporary Art (AMoCA) is an American art museum founded in 1994 and located in Roswell, New Mexico. The museum was formed from the Roswell Artist-in-Residence (RAIR) program, and displays work from the former participants.
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This one is definitely serious, incorporating a surprisingly good art collection for a small town, with works by Georgia O'Keeffe and Peter Hurd, among others. There is a wing devoted to space flight and rocket science (but not UFOs!) that includes the Robert H. Goddard Planetarium, named in honor of the rocketry pioneer who did much of his research in Roswell.
Devoted to the local cult activity; you can decide for yourself whether it's serious or not.
A state park with swimming, fishing, and hiking. The lakes are very deep with nearly vertical cliffs surrounding them.