The Hotel Kakslauttanen in Finland features heated glass igloos
Sixty years ago today, the first Holiday Inn opened, and thus began the process of standardizing the hotel experience across the U.S. and the world. While most of us are grateful to find a simple, clean hotel room while on the road, more adventurous types might look for something more unusual. These nine hotel rooms — some regularly in operation, others designed as a promotion — would each serve as a memorable home away from home.