One of the draws to Washington's Olympic National Park is an ancient Sitka spruce known as the Tree of Life that seems to defy gravity, clinging precariously to an eroding seaside bluff on Kalaloch ...

The area that is now Joshua Tree National Park wasn’t always a desert. During the Great Ice Age, also known as the Pleistocene Epoch, there were rivers and lakes as well as Columbian mammoths ...

When planting them, good soil preparation is vital, especially if you want your tree to give you years of enjoyment. Choose a site in full sun, making sure there's room for the branches to grow and ...