Long after tectonic plate movement has created mountains, forces such as weather and river erosion can continue to shape a ...

A new study offers insights into a puzzling piece of the geological history of the Grand Canyon and surrounding regions.

Sand Dune Arch is one of over 2,000 naturally occurring sandstone arches in Arches National Park. The Sand Dune Arch Tra ...

Several presidents have their names attached to some of Colorado ... National Park and Preserve. The name change followed a series of land acquisitions and moves by administrations over the ...

Several presidents have their names attached to some of Colorado's greatest natural treasures. After all, it takes a ...

The United States has a proud history of preserving its natural beauty through national parks. Each year, millions of ...

Whether you want just a romantic evening, a weekend getaway, or maybe a spot for a marriage proposal, America has no shortage ...

What couple can resist a park ... the arches of this car-free span over the Mississippi River, part of a larger heritage trail. Made of granite and limestone, it used to be a railroad bridge ...

Treks into Tassili n’Ajjer National Park provide the ultimate way to experience ... Located in the northwest of the state, it was carved over millions of years by the Colorado River, which winds ...