A lesser-known archaeological site in the state of Tabasco, Pomoná is set into the fertile plain along the Usumacinta River and occupies roughly 1-square-mile (1.5-square-kilometeres). Although most structures remain uncovered, a select few are visible including the Temples IV, V, VI, and VII. A nice alternative to busier ruins for keen archaeology fans, there’s also a small on-site museum containing artifacts.