Caves are natural underground spaces. It is enough for humans to enter. It is generally situated in a forest. Many caves have been developed as “show caves” with lighting and passageways which allow comfortable exploration for people of all ages. Some caves are dangerous because wild animals live in them. There are hundreds of caves all over the USA, but these are ten of the largest and best show-caves all worthy of a visit…
10: Ape caves
It is a lava tube. It is about 1,900 years ago. It is located in southwest Washington. Its length is 13,042 feet and 3975m. It explores nearby Gifford Pinchot national forests. Its temperature is 42 degrees Fahrenheit year-round. It will be open for all tours to their visit in summer. It was discovered in 1947.
9: Carlsbad cavern
It is located in southeast New Mexico. It is 30 miles long and 1,037 feet deep. Its temperature is 56 degrees Fahrenheit year-round. From early spring to October 1000’s of bats exists in the cavern for their nightly insect feast. It is one of the world’s largest underground chambers.
8: Moaning cavern
It is located in central California, east of San Francisco. Its temperature is 61 degrees Fahrenheit year-round. It is open for tours all year. It has no light and has stairs or walkways.
7: Sonora cavern
It is located in southern Texas near Sonora, in Sutton County. Its temperature is 71 degrees Fahrenheit year-round. It is open all year for tourists. Many of the mineral formulations are found in the caverns of Sonora. The cave is active, with over 90% of the cave forming new crystals. The cavern of Sonora is opened to the public in 1960.
6: Meramec cavern
Its location is in eastern Missouri on the Illinois border. Its temperatures are 60 Fahrenheit year-round. It measures 70 feet high, 60 feet wide and 35 feet thick. It is the largest single cave formation in the world. It is used as a station by the Underground Railroad.
5: Luray cavern
Its location is in northern Virginia, ten minutes off skyline drive. The temperature of this cavern is 54 degrees Fahrenheit year-round. It is open all year because engineers and organists work in it. Four million years, this cave grows one inch every 120 years.
4: Niagara cave
It is one of the Midwest’s largest limestone caverns. Niagara cave’s ceiling reaches over a 100 feet high, with deep canyons and gorges below. It is located in southeast Minneola. The temperature of the cave is 48 degrees Fahrenheit year-round.
3: Polar caves
It was formed about 50,000 years ago. It is the third continental glacier descended over the new hemispheres, White Mountains. It includes a rock garden, nature trails, and a petting zoo. It is located in the central hemisphere. Its temperature varies with the season. In summer, its temperature is 55 degrees Fahrenheit.
2: Jewel cave
It is 121 miles long. It is the third longest cave in the world and the second longest cave in the U.S.A. it is located in southwest South Dakota, in the black hills. The temperature of it is 49 degrees Fahrenheit year-round. It is open all year for tourists. Jewel cave is also an important winter residence for several species of bats. The caverns of the jewel cave sink to a depth of 112m and are 1.9 km long.
1: Mammoth cave
It is 350 miles long and 379 feet deep. It is the longest cave in the world. It is located in south-central Kentucky. Its temperature is 54 degrees Fahrenheit year-round. It is all year. It is used as an underground railroad.
Have you visited any of these caves? Do you know of any other amazing caves in the US that should have made this list? Do let us know in the comments below.