A new study looked at which national parks are the best for stargazing, with Crater Lake National Park, Oregon, crowned top.

Crater Lake National Park has one of the most unique ... National Monument in the Pacific Northwest Was Just Named a Dark Sky Park — and It Has Stunning Marble Caves, Too This Small Town in ...

but something is certainly amiss at Crater Lake Activity Centre, and that is disturbingly obvious as soon as the kids and teachers arrive. At night, things become even stranger, and Lance and his ...

Kawah Ijen is an active volcano on the island of Java with an extremely acidic crater lake and gas emissions that produce blue flames upon contact with oxygen in Earth's atmosphere.