Belize

 Formally ‘British’ Honduras is now called Belize, it was once disputed territory claimed by Guatemala, which has recognized Belize, as a separate nation.

Mitchell-Hedges found the famous Crystal Skull in Belize, then known as British Honduras.  It was his daughter who actually found it, in 1924.
The UK TV series Mysterious World by Arthur C Clarke debunked lots of so called mysteries but not this one, the Skull appeared in the TV programmes opening sequence. 

Belize Tourist Authority

Channel Four Documentary explodes the myth the skull was machine manufactured in the twentieth century...

Crystal Skulls

Indiana Jones and the Kingdom of the Crystal Skull

 

Culture

World of the Maya

Skull Pictures

South-American-History.com