Cannon Beach is stunning. Most notably, it’s home to the famous Haystack Rock, a 235-foot-tall basalt sea stack where a colony of tufted puffins lay their eggs and raise their young each year.

Not every beach ... of basalt rocks that reveal sea life when the tide rolls out. The Seal Rock State Recreation Site is considered one of Oregon’s safer beaches, thanks to large rock formations ...

Popular with surfers, this remote black beach on Tahiti's northern coast ... the Atlantic crash along the shore and against the basalt rock formations rising from the sea. Known as Reynisdrangar ...

Geologist Nick Zentner strides excitedly across the wet sand on his first-ever visit to Oregon’s Agate Beach. But his attention ... fields at the time when rock formed. The presence of this ...