Highest ACT State Score: Massachusetts. Massachusetts narrowly achieved the highest score in the country, with an average composite of 24.8, just above Connecticut and New Hampshire, who tied for an average of 24.5.
Donaldson/Bronson Cave (also known as Shawnee Cave) is located entirely within Spring Mill State Park. The cave is the downstream section of the Shawnee drainage system (Lower Twin and Upper Twin caves make up the remaining sections). For the entire length of the cave, you are in water.
The Chandelier Formation in Carlsbad Caverns Carlsbad Caverns National Park is a unit of the United States National Park Service and a UNESCO World Heritage Site that is located near Carlsbad, New Mexico. It is most famous for the Big Cave and its Big Room, at one time considered the largest natural underground chamber in the world.