6 Caves to explore in United States
Third largest and third most populous country in the world. Size-wise, it is almost as large as the continent of Europe.
The Grand Canyon Caverns is located along Route 66 in Northern Arizona. These are the largest dry caverns in the United States, located 200 to 300 feet below the surface. The Grand Canyon Caverns’ formed during the Mississippian Period of geologic time (345 million years ago ).
This is a show cave located in Calaveras county. It is named after the gold prospector Walter J. Mercer who discovered the caves around 1885 and filed a claim. It is formed in a marble unit known as the Calaveras Formation. It also contains a large display of aragonite frostwork. The standard tour of the cave descends 160 feet, 208 steps down and 232 up in a traverse between the natural and an artificial entrance.
Moaning Caverns is a solutional cave located in Calaveras County, California, near Vallecito, California in the heart of the state's Gold Country. It is developed in the marble of the Calaveras Formation. It was discovered in modern times by gold miners in 1851. One can visit this place and can understand the things in this cave. not at all a tour, it is a little bit adventurous too.