10 less explored places to visit in the United States 

Lassen Volcanic National Park, California 

Apostle Islands, Wisconsin

Cumberland Island, Georgia 

Canyon de Chelly National Monument, Arizona 

Isle Royale National Park, Michigan

Letchworth State Park, New York 

Organ Pipe Cactus National Monument, Arizona 

Olympic National Park, Washington 

Capitol Reef National Park, Utah

Great Sand Dunes National Park, Colorado 

10 Most Haunted Place of the world