Sunday, November 10, 2019

Xiaozhai tiankeng

The largest sinkhole of the world is Xiaozhai tiankeng - incredible, up to 662 m deep pit with nearly vertical walls. This is one...

10 most impressive and largest sinkholes in the world

List of 10 most impressive and largest sinkholes The giant sinkholes of Earth belong to the most impressive natural landmarks. Wondermondo offers a unique list of...

Black Hole of Andros

Just some 100 kilometres away from the crowded city of Nassau with its highrise hotels there is nearly unexplored land with some of the...

Crveno Jezero – Red Lake

The largest and, as it seems, the most impressive karst formation in Dinaric Alps is Crveno Jezero - one of the largest sinkholes of...

Dean’s Blue Hole

There exists a broad term "blue hole" describing any deep, water filled, vertical caves. The 202 - 203 m deep Dean's Blue Hole in...

Sima Humboldt and Sima Martel

Enigma of the Mountain of Evil Spirit On the top of the grim, forest covered mountain, in a cave, there is living Evil Spirit, hunting...

Bimmah sinkhole

Bimmah sinkhole is beautiful natural landmark - a place of refreshment at the long coastal road of Oman. Bimmah sinkhole was formed in limestone by...

El Zacaton sinkhole

One of the most impressive natural landmarks in Mexico is El Zacaton sinkhole. It is the deepest known water filled sinkhole in the world....

Sotano de las Golondrinas – Cave of the Swallows

One of the most impressive sinkholes in the world is Sotano de las Golondrinas - Cave of the Swallows. This hole in the ground...

Great Blue Hole

Photographs taken from the air show incredible, nearly perfectly round, deep blue circle in shallow atoll some 70 km east from Belize City. This...