It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
"If you are stretched and squeezed by everyday life, then you might be in perfect shape to explore caves.
Enter a narrow natural passageway that may lead to simply mind-boggling underground world - to get away from the depressing sights like these... Caves may lurk right under your feet: a fascinating and unexpected environment, which is often known only to spelunkers and dedicated Gollum-seekers"
Bonito region in Brazil (and especially the quiet town of Mato Grosso do Sul) boasts many marvelous underground lakes:
Mato Grosso do Sul region in Brazil (and especially the quiet town of Bonito) boasts many marvelous underground lakes:
Pictured: The awe-inspiring British cave that could swallow an entire cathedral whole.
The stunning interior of Britain's biggest known cave chamber is revealed in these awe-inspiring photographs.
The pictures were taken as Gaping Gill was lit by floodlights to give members of the public a rare chance to venture into the cavern which is so huge that the entire nave of York Minster could fit inside it.