Natural History

The biggest cave system in the Arabian Peninsula is home to a rare variety of blind fish.

One of the largest private collections of fossils in the world.

A short interpretive trail about one of the first human cultures in North America.

An improbable water gap where the West Walker River, paralleled by a state highway, crosses the Singatse Range between Smith and Mason Valleys.

View Kentucky's beauty and history from the perspective of painter John James Audubon, author and illustrator.

Fifty-odd dinosaur footprints are preserved on this strip of mountain cliff along with ancient ripple marks.

Some of the secrets of human origin are revealed at this museum.

A mine in the Sierra Nevada that produced nothing but barren quartz.

Marine fossils from the Devonian period are exposed at this park.

A 40-foot waterfall flows into this unique natural swimming hole.

Home to a forest of whimsical pygmy Coast live oak.

A tiny town’s tiny museum with some gigantic residents.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

The deepest spring in Missouri.

The remains of the oldest bone-headed dinosaur in North America.

A nature and outdoor art preserve features the large-scale, abstract works of a renowned Maine folk artist.

A volcanic cone that formed over 600 years ago.