The two best places for viewing muay thai in Bangkok: Rajadamnern and the more modern Lumpini. Andy Thomson's kickboxing school is in Chiang Mai, also home to Kawilla Stadium.
STADIUMS
Lumpini Stadium RAMA IV RD., PATUMWAN, BANGKOK; 66-2/251-4303; TICKETS $12-$36
Rajadamnern Stadium RAJADAMNERN NOK RD., POMPRAB SATROO PAI, BANGKOK; 66-2/281-4205; TICKETS $12-$36
Kawilla Stadium KAWILLA MILITARY BARRACKS, CHIANG MAI; TICKETS $11
SCHOOL
Lanna/Kiat Busaba Boxing Camp 64/1 SOI CHANG KIAN, HUAY KAEW RD., CHIANG MAI; 66-53/892-102