Cosmic Cavern is one of Arkansas’ hidden treasures. You will see 2 bottomless cave lakes during your 1hr and 15 minute tour. The first lake, South Lake, has had trout in it for nearly 50 years. Some trout have gone blind and most have lost their color. The bottom or end of these lakes have yet to be found.
Barra Honda National Park is a national park is located in the western part of Costa Rica, which forms part of the Tempisque Conservation Area about 12 km (7.46 mi) from the Tempisque River. It was created in 1974 to protect its famous cave systems, under the Barra Honda Peak which was formed when islets from the Miocene Era were raised above the plains of the river. The caves and waterways there today were carved out by the action of rain filtering through the limestone over 70 million years ago. Click Here For The Rest Of The Story Barra Honda Cavern System, Costa Rica
Great Onyx Cave is a cave located in Mammoth Cave National Park in Kentucky, United States. The National Park Service offers a commercial tour of the cave.
Great Onyx Cave was discovered in 1915 by Edmund Turner. According to one story, Turner made a proposition to Flint Ridge landowner L. P. Edwards, knowing through his cave explorations that there was a cave under Edwards’ land. Turner asked Edwards if he could have a share in the cave’s ownership if he showed Edwards where to dig. Edwards agreed, and the resulting cave was named Great Onyx Cave because of its cave onyx formations. Turner continued to explore the cave while Edwards rushed to commercialize it. Shortly thereafter, when Turner died (probably of pneumonia), Edwards claimed that he discovered the cave Click Here For The Rest Of The Story Great Onyx Cave, Kentucky, USA