Sulphur Cave, just west of downtown Steamboat Springs, is one of the country's newest National Natural Landmarks but you will likely never be allowed to visit there.
Grave robbing has happened and still happens all over the country. This particular incident happened in the Michigan Thumb town of Caseville, on Saginaw Bay.
Native American Chief Pontiac, who waged war against the British around the Great Lakes is rumored to have left a great treasure on an island near Detroit.
You'll find over 300 ghost towns peppered across Colorado's landscape. The majority of these mostly-vacant towns rest high in the Rockies where miners built settlements in hopes to strike it rich.
The Saginaw County Fair used to be the home of one of the biggest fairgrounds in the country, beginning way back in 1866. The complex now sits abandoned and nearly forgotten.
Outside of Prosser Washington, there is a spooky little hill that some think might be haunted. It's called Gravity Hill and it literally takes control of your car and pushes it uphill without any help from the engine.