The parish church has been transformed into museum when the tomb of Cuauhtémoc was discovered there. Mind-blowing!
Wikipedia http://en.wikipedia.org/wiki/Ixcateopan_de_Cuauht%C3%A9moc#Museum_of_Santa_Mar.C3.ADa_de_la_Asunci.C3.B3n
Address 17 Calle De Los Mártires De Chicago, Ixcateopan de Cuauhtémoc, Mexico
Coordinates 18°30'7.765" N -99°47'38.62" E