Deep in the Central Connecticut woods lies what used to be a sizeable popular campground for children called Camp Connecticut, also known as the Camp of Shadows.
Ever heard of St. Vincent's insane asylum in Oklahoma City? If not it's one of the all-time creepiest, allegedly haunted, and nightmarish abandoned places in the entire Sooner State.
One of the most popular attractions on Colorado's Front Range is located just outside of Colorado Springs, the famous Cave of the Winds. An abandoned entrance to the park looks apocalyptic.
Historically, Wichita Falls, Texas is known for being a hub for grain, cattle, and oil industrialization. With that, abandoned structures are plentiful.