The Prairie House - which stands a few miles outside of Norman, OK - was the creation of architect Herb Greene and was completed in 1961. It's been variously likened to a bird, a bison, a steeple, a shed, a boat, a haystack, among other things. It's also been hailed as “an excellent example of organic architecture”, an embodiment of the American School of Architecture, and a masterpiece. It's been in private hands and largely hidden for many years, but now it's in the process of being restored. How Curious host Rachel Hopkin went to find out more.