Not sure how radical, but will sure use allot of gas getting there.
Marble Mountains, Vietnam is one of the most popular tourist destinations in Vietnam. It consists of five peaks. Located to the south of Da Nang city, these hills are made of marble and limestone. Nui Ngu Hanh Son is the Vietnamese name for Marble Mountains. It means Mountains of Five Elements. The five peaks are called Thuy Son (water), Moc Son (metal), Tho Son (soil) and Hoa Son (fire).