A number of pre-Columbian archaeological sites within the municipal boundaries are known, but as yet little investigated.

It is one of the most important pre-Columbian sites in the United States.

The pre-Columbian archaeological site of Izapa lies along the river.

Although the structure was on privately owned land, by law, all pre-Columbian sites are under national government protection in Belize.

Snake iconography was prevalent at the pre-Columbian site of Nizuc.

The cave protects an historically important Pre-Columbian archaeological site dating back to as early as 10,000 years ago.

There is a nearby pre-Columbian archaeological site of the Maya civilization, called Nebaj.

Taube has also investigated pre-Columbian sites in Ecuador and Peru.

Tayasal is a pre-Columbian Maya archaeological site from the Postclassic period.

It's a pre-Columbian site that's estimated to have been inhabited at least as far back as 5,600 BC.