X’kekén Cenote (Dzitnup Cenote)
One of the most photographed cenotes, with beautiful deep blue lake and sun beam lighting it through the ceiling, numerous stalactites. At least 35 m across, distance between the ceiling and water is some 20 m.
Sótano de la Culebra
Narrow sinkhole with total depth of 360 m, free fall – 336 m.
Sacred Cenote in Chichen Itza
Human sacrifice site of the ancient Mayan Chichen Itza city. In deposits have been discovered huge amounts of gold and jade artefacts as well as human remains.
Aouk-Kladuk Underground River
World’s most powerful underground river. Aouk-Kladuk Underground River is some 1.5 kilometres long. The stream has a volume of 130 – 180 cubic meters.
Keek sinkhole
One of the tiankengs of Aouk Underground River. Keek sinkhole is bell-shaped hollow that is some 160-180 m deep, its volume is 1.4 million cubic meters.
Hafasu Tiankeng
One of the tiankengs of Aouk Underground River. Hafasu Tiankeng is some 100 m deep, with a volume of 12 – 15 million cubic meters.
Kuom Tiankeng
One of the tiankengs of Aouk Underground River. Kuom Tiankeng is some 100 – 160 m deep, with a volume of 15 – 20 million cubic meters.
Cenote Angelita or… “The Nightmare”
Unique water-filled sinkhole with a ghostly layer of hydrogen sulfate at the depth of some 30 m and seawater below it.
Dragon Hole
World’s deepest known undersea sinkhole, 300.89 m deep.
Hranice Abyss (Hranicka Propast)
The deepest known underwater cave in the world. The total known depth of this cave is 473.5 m, known depth of the cave lake – 404 m. It is expected that it is much deeper – up to 1200 m deep.
