Chiang Mai National Museum.
Chiang Mai, Thailand

"This museum houses over a million artifacts originating from the surrounding area.  It has a great selection of Buddha images in various styles, as well as ancient work tools and weaponry.  These artifacts are shared with 3 other national museums in the area: one in Lamphun, another in Chiang Saen, and the last in Nan."

"Further discretion is advised."