Nestled within Ohio’s only national park, this geological wonderland manages to pack more “wow” moments into its modest 2.2-mile loop than some trails three times its length.

Sub-freezing temperatures as low as 30 possible. Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, Kittitas Valley, Yakima Valley, and Foothills of the ...

Warm air rises, but it also expands because air pressure decreases with height. The latter effect wins out and air becomes ...