![A Flowstone and 'Lily Pads' in Carlsbad Caverns National Park, New Mexico](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2022/12/Depositphotos_8177848_S.jpg?resize=384%2C320&ssl=1)
cave Archive
![A Flowstone and 'Lily Pads' in Carlsbad Caverns National Park, New Mexico](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2022/12/Depositphotos_8177848_S.jpg?resize=384%2C320&ssl=1)
![Frozen Niagara in Mammoth Cave National Park, Kentucky,](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2022/12/Depositphotos_420132604_S.jpg?resize=384%2C320&ssl=1)
The Mammoth Cave: A Tour Through Time
![Niagara Cave](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2022/12/niagaracave.jpg?resize=384%2C320&ssl=1)
Niagara Cave, Minnesota
![DeSoto Caverns](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2022/02/51401104993_16d3ec96aa_b.jpg?resize=384%2C320&ssl=1)
DeSoto Caverns: Alabama’s Grand Cave
![](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2021/12/cave-scaled.jpg?resize=384%2C320&ssl=1)
Australia’s Crystal Castle: The Amethyst Crystal Cave
![Fantastic caverns](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2021/10/fantastic-caverns.jpg?resize=384%2C320&ssl=1)
Fantastic Caverns: Missouri’s Stunning Cave
![Forbidden Caverns](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2021/09/5904779732_9897333448_k.jpg?resize=384%2C320&ssl=1)
Forbidden Caverns: Tennessee’s Haunting Subterranean Cave
![Lost Sea](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2021/03/lost-sea-sweetwater-tennessee.jpg?resize=384%2C320&ssl=1)
The Lost Sea: Tennessee’s Stunning Subterranean Cave Lake
![Inside Cave In Rock](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2020/12/34352699226_08fbe01e09_b.jpg?resize=384%2C320&ssl=1)
Cave-In-Rock, Illinois: A Natural Wonder With a Dark Past
![Neversink Pit, Jackson County, Alabama](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2020/10/27151852002_438ff9b56c_k.jpg?resize=384%2C320&ssl=1)
Hidden Depth: Neversink Pit, Alabama, USA
![The Eyes of God, Prohodna Cave](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2020/09/33897527514_aa29c58d76_b.jpg?resize=384%2C320&ssl=1)
The Eyes of God – Prohodna Cave, Bulgaria
![Devil Den’s springs](https://i0.wp.com/unusualplaces.org/wp-content/uploads/2020/08/Devils-Den-Spring.jpg?resize=384%2C320&ssl=1)