Sandstone cliffs and native plants are on display at the Manchester Preserve ... plus climbs a few steep hills for a good workout. ... so use caution to not step on any critters or vegetation.

Painted hillsides are geological marvels that form over millions of years. Here are 10 of the most colorful examples of painted hills in the world.

The track runs behind the Grand Sable Dunes, rolling hills of golden sand sprinkled with local vegetation akin to Saugatuck Dunes State Park -- an underrated state park that offers epic views of ...

The Navajo Sandstone is known for its beautiful red and tan crossbedded sandstones that grace many of the national parks and monuments in the southwest USA. The sands were deposited in dunes ...

Mammoth Cave National Park lies under sandstone-capped ridges in the hills of southern Kentucky. At present, some 350 miles (500 kilometers) of passages are known, and as much as 600 additional ...

Artist Ra Paulette has spent decades hand-carving intricate caves, shrines, and caverns in the sandstone hills near Ojo Caliente, New Mexico. A photo posted by Colby Moore (@colbyshootspeople) Apr ...