Natural erosion finally took its toll on Darwin's Arch, a famous rock formation off the coast of the remote Galápagos Islands, forcing the top of the archway to collapse into the Pacific Ocean on ...

Photo of the now-collapsed sea arch along the trail to Shovel Point at Tettegouche State Park. (Minnesota Department of Natural Resources) An iconic sea stack that was adored by generations of ...

PORTLAND, Ore. (KOIN) — The pair of massive sinkholes that continue to swallow up the popular lookout at Cape Kiwanda State Natural Area may one day form a new sea stack, a report recently completed ...

Photographers are mourning the loss of an iconic Minnesota “sea stack” that welcomed visitors to Tettegouche State Park for years. It fell victim to a winter storm over the weekend, claimed by ...