adirondack mountains fall colored leaves on the ground

4seasons acorns adirondacks adk aspen autumn beauty biology birch birding brown chlorophyll cold color colorful colors copyspace crunch crunchy dec elm fallseason foliage halloween harvest hiking iloveupstateny leaf leafpeeper leaves maple mountains nature nys oak old orange outdoors outside red sassafras science season seasonal seneca squirrel sunlight textarea tourism tree upstateny weather yellow