Hằng Nga Guesthouse
Vietnam's most fantastical building?
Hằng Nga guesthouse (Vietnamese: Biệt thự Hằng Nga), popularly known as the “Crazy House” (Vietnamese: Ngôi nhà quái dị), is an unconventional building designed and constructed by Vietnamese architect Đặng Việt Nga in Đà Lạt, Vietnam.