Natural Wonders

This restaurant serves wood-fired fare served in a natural cave with a live spring.

The largest spring in Northwest Arkansas is also home to a sprawling botanical gardens and a historically significant bluff.

One of the stops along the fateful journey of the Donner Party.

Home to a seasonal waterfall and swimming hole in the Ouachita Mountains.

It's believed human settlements from the Palaeolithic Age were established not far from this canyon.

The seventh largest spring in the world.

Greenery covers the face of a gently-dripping waterfall deep in the mountains of central Sardinia.

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

In 1912, this idyllic Alaska landscape was blown apart in the largest volcanic eruption of the 20th century.

Travel this route to explore a canyon crafted by ancient glaciers.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

Once the smallest park in the national system.

These unique rock formations were created during the Ice Age.

Cooled, fractured lava formed this geometric rock feature.

Although it also features red, orange, and variegated cliffs of Navajo Sandstone, this state park is often overshadowed by its more famous neighbor.