Natural bridges are rock formations shaped by geological activity over millions of years. Let's take a look at some of these stunning natural structures. Pont d'Arc, FranceA popular tourist attraction ...

Devils Postpile looks machined, not grown — and for most of the year, you're not even allowed to drive yourself there. Here's ...

DENVER (KDVR) — Thousands of people attend concerts for their favorite artists every year at Red Rocks Amphitheatre in Denver — the “only naturally-occurring, acoustically perfect amphitheater in the ...

The distinct rock formations initially inspired theories of a lost civilization in East Asia, but most scientists see a much more natural explanation.

Add Yahoo as a preferred source to see more of our stories on Google. This is The Whaleback, a natural rock formation in Coal Township that is visible to riders from the Anthracite Outdoor Adventure ...