Poza Tule, Sistema Zacaton
The largest sinkhole by diameter in Sistema Zacaton with two travertine lids.
Cueva La Iguana, Sistema Zacaton
One of the caves in the unique Sistema Zacaton.
Palmita, Sistema Zacaton
Somewhat smaller sinkhole in the unique Zacatón karst field.
Cavernas Las Quarteles, Sistema Zacaton
A part of the unique Zacatón karst field – dry, large cave passage system, over 1,500 m long, with numerous collapse sinks.
Poza Verde, Sistema Zacaton
Large sinkhole in the unique Zacaton karst field.
Sistema Zacaton

Unique karst field created by thermal acidic waters heated by volcanic heat. Contains the world’s deepest water-filled sinkhole, the 339 meters deep El Zacatón sinkhole with 319 meters deep lake, and floating islands. Poza Seca is one of the unique travertine capped sinkholes of Sistema Zacatón – here the formerly open sinkhole has sealed itself with a limestone lid. Most likely it hides unknown life forms, not investigated.
Poza del Caracol, Sistema Zacaton
One of the prominent features of the unique Sistema Zacatón is Poza del Caracol – small, very deep sinkhole that is not fully explored.
La Pilita sinkhole, Sistema Zacaton

110 m deep sinkhole in the unique Zacatón karst field.
Waimanu Falls, Moloka’i
Approximately 550 m high waterfall, the highest drop – 120 m.
Haha Falls
Some 240 m tall waterfall, one of seven tall waterfalls at the upper rim of Kamalo Canyon.
