Aouk-Kladuk Underground River
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The most powerful known underground river in the world is Aouk-Kladuk Underground River in the Bird's Head Peninsula of New Guinea.
Bird's Head Peninsula
The western...
Keek sinkhole
Amazing feature of the unique Aouk Underground River is narrow, deep hole through the rainforest and deep in the ground - Keek sinkhole.
This deep...
Hafasu Tiankeng
Part of the enormous Aouk Underground River is a giant sinkhole - Hafasu Tiankeng.
Hafasu Tiankeng formed when the ceiling of a cave above the...
Kuom Tiankeng
One of the features of the unique Aouk Underground River is a giant sinkhole - Kuom Tiankeng.
This giant hole in the Arfak Mountains was...
Aouk Underground River
There are a lot more underground rivers in the world than most people imagine. One of the largest and most impressive is Aouk Underground...
Kelimutu – volcano with differently colored crater lakes
There are many interesting crater lakes around the world and many are exciting natural wonders. Some of the most surprising are the three Kelimutu...
Liang Bua – the cave of the mysterious Homo floresiensis
There happen unusual discoveries but few have been as weird as the sensational finds in the sediments of Liang Bua cave in 2003. Turns...
Kawah Ijen
One of the most unusual volcanoes on the world is Kawah Ijen. It contains the largest lake of acid in the world but especially...
Cisolok Geysers and Hot Springs
The best known geysers of Indonesia are found among Cisolok Hot Springs. Here are located three - four geysers, spouting hot water up to...
Leang Pute Sinkhole
Beautiful natural landmark is Leang Pute sinkhole in the Southern Sulawesi.
Leang in Makassarese language is "cave", "pute" - a species of white dove -...