[WORLDKINGS] Exceptional places around the world (P.131) – Lan Ha Bay (Vietnam) : The forgotten paradise bay
(WorldKings.org) Lying south and east of Cat Ba Town, the 300-or-so karst islands and limestone outcrops of Lan Ha are just as beautiful as those of Halong Bay but feel more isolated and untouched, and have the additional attraction of numerous white-sand beaches.
[WORLDKINGS] The Constant World Records Seeking Journey (P.42) Jeita Grotto: House world's largest known stalactite
(WorldKings.org) The Jeita Grotto is a system of two separate, but interconnected, karstic limestone caves spanning an overall length of nearly 9 kilometres. With an access tunnel and a series of walkways found above the upper galleries that are composed of a series of chambers the largest of which peaks at a height of 12 metres, World Records Union (WorldKings) officially declared Jeita Grotto are karstic limestone caves that house world's largest known stalactite.
WORLDKINGS - Worldkings News - Australia Records Institute (AURI) – Nullarbor Plain: World's largest single exposure of limestone bedrock
(Worldkings.org) Nullarbor Plain is the world's largest single exposure of limestone bedrock.
WORLDKINGS - Worldkings News - Asia Records Institute (ASRI) – Jeita Grotto: Karstic limestone caves house world's largest known stalactite
(Worldkings.org) Jeita Grotto houses the world's largest known stalactite.
WORLDKINGS - Worldkings News - America – Little Limestone Lake: The world’s largest and most outstanding marl lake
(Worldkings.org) Little Limestone Lake is the world’s largest and most outstanding marl lake.