Blue Hole (Big Pine Key)
The Blue Hole is an attraction on the island of Big Pine Key in the Florida Keys. It is an abandoned rock quarry that was used for nearby road fills and Henry Flagler's Overseas Railroad. The water it contains is mostly fresh and is used by various wildlife in the area, such as birds, snakes, alligators, key deer and green iguanas. It is part of the National Key Deer Refuge.
Sugar Hollow
Sugar Hollow is located in the Blue Ridge Mountains of western Albemarle County, Virginia, United States. It is defined by the north and south forks of Moorman's River which drain into a reservoir built in 1947, that supplies water for the City of Charlottesville, Virginia. The Appalachian Trail runs north and south along the upper reaches of this beautiful natural area.