Thursday, February 20, 2020

Cave-In-Rock

Enormous, shallow cave in the limestone bluff at Ohio River. For millennia it has served as a shelter for local people. The cave with...

Pirate Cave (Waiwaipuhi Sea Cave)

An enormous sea cave, 290 m long. It can be accessed only from the sea. Over the entrance falls a waterfall - thus every...

Open Ceiling Cave

Collapsed sea cave - a circular sea basin which is connected to the sea with a large cave - natural arch which is some...

Maingon Blowhole

Some 40 m deep, narrow sinkhole - collapse of a sea cave. It is dangerous to attempt to see its bottom but the waves...

Port Campbell Blowhole

A sinkhole - collapse in the roof of sea cave in the spectacular Loch Ard. It is possible that for a while here existed...

Jacks Blowhole

Spectacular sinkhole - a large opening in the ground which formed after the sea cave collapse. The sinkhole is some 55 m deep and...

Little Salt Spring

Water filled, 61 m deep sinkhole. At the depth of 3 m, the water becomes anoxic. Thanks to this in the sinkhole – spring...

Lake Jackson

Shallow, 12 km long lake with two sinkholes in it. This lake has disappeared underground four times since 1907. Location, GPS coordinates: 30.52702 N 84.32219 W Categories: Lakes...

Falling Waters Sink

The tallest waterfall in Florida. It is active only during wet season when a stream falls in 35 m deep and 6.5 m wide...

Devil’s Den in Florida

Devil's Den is a karst window. Here through a narrow opening opens a view on large subterranean river. In thi ssinkhole were found remains...