Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.

Underneath South Dakota's rolling Black Hills region, there is a sparkling national monument that is considered one of the ...

Whether sculpted by nature over millions of years or shaped by unique environmental conditions, these 30 unreal places in the ...

The Pinnacle Rock formation also extends far outside the boundary of the park, reaching more than 25 miles across the ...

When it's five o'clock somewhere, the nighttime shenanigans are just getting started. Here's how to enjoy Idaho after hours.

Mirror Lake State Park is the introvert of Wisconsin’s park system. It’s so calm and reflective, you half expect to see fish ...

Maryland's only show cave might not be the largest, but it’s packed with stunning formations at every turn. Crystal Grottoes ...

This beautiful part of Europe is home to incredible beaches with clear blue waters - and it's much easier to get to than the ...

Picturesque island with magnificent animal and plant diversity, the world's best beach and local cuisine you'll remember for ...

Winter is not only snow and frost, but also a time of amazing changes in the ecosystem. The fairy-tale world comes to life, ...

This jaw-dropping road trip will take you to 11 of California’s most otherworldly natural wonders, each more awe-inspiring ...

I'm a dreamer, in every sense of the word. As a child, I donned my panda-bear baby blanket atop my head, strapped a gold headband around it and sang into a hairbrush, giving the performance of a ...