Answer: Standing in stark contrast to Dalat's French colonial villas, the bizarre avant garde guesthouse is a maze of spiral staircases, sculptural bedrooms, undulating surfaces, swirls of bright colors, narrow bridges and hidden nooks.
The artist behind the structure, 79-year-old Dang Viet Nga, says it's the ultimate expression of her imagination.
"Crazy House is a culmination of my life and creativity -- it all came together in this structure," Dang, daughter of Vietnam's former general secretary Truong Chinh, tells CNN Travel.
"I wanted to create something original, pioneering -- different from anything else in the world."