This Xunantunich and Inland Blue Hole tour connects two remarkable features shaped by Belize’s limestone landscape. Begin with the hand-cranked ferry across the Mopan River and climb to Xunantunich, an ancient Maya city built on a natural limestone ridge. Walk through ceremonial plazas while your guide explains the palaces, carved friezes, El Castillo, Maya rulership, astronomy, and the city’s regional connections. At St. Herman’s Blue Hole National Park, the setting changes from monumental architecture to dense tropical vegetation and a naturally turquoise freshwater pool that forms part of an underground river system. The contrast is refreshing, but the two places also share a deeper geological story. The same limestone environment that supported Xunantunich’s dramatic setting helps shape Belize’s caves, underground water, and natural pools. The result is a Placencia day trip with variety and a clear connection between human and geological history.