Finding time for nature and eco-friendly recreation becomes impossible sometimes since mundane compulsions never allow one to do so. But if you are a hiking freak and love the mountains, and have the leisure time for it, you'll surely appreciate the beauty of these unparalleled, natural skyscrapers.
Here, we present a full list, in a pictorial format, of the mountain ranges of the United States:
Rocky Mountains:

Great Smoky Mountains:

Green Mountains:

White Mountains:

Appalachian Mountains:

Pocono Mountains:

Adirondack Mountains:

Sierra Nevada Mountains:

Catskill Mountains:

Illustration:

Images: Wikipedia

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