Grand Canyon National Park – Arizona The Grand Canyon is a testament to the earth's artistic powers, with its sprawling ...

Comparing pollen records from three lakes in different geological substrates highlights the influence of geology and climate on long-term vegetation development.

Southwest Adventure Tours can help you and your significant other experience the beauty of the Rocky Mountains — without ...

If you're looking for the ultimate cross-country road trip, strap in for a coast-to-coast odyssey brimming with unique sights ...

Smaller mammals like squirrels, foxes, snowshoe hares, and more must go through a series of changes in the fall in order to prepare for winter. Some of ...