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.
Hidden Cave. Hidden Cave is an archaeological cave site located in the Great Basin near Fallon, Nevada, United States. It was excavated originally in the 1930s by Harrington and then excavated twice more before being returned to for the final time in 1978 by David Hurst Thomas for a more in depth excavation.