Black Sea, near Mangalia, Romania

Photograph by Margarit Iuliu Constnatinescu

Rockdale, Sydney, Australia

Photograph by John Adey

Sanibel Island, Florida

Photograph by Jim Mandeville

Lighting storm, Albuquerque, New Mexico

Photograph by Sizhu Liu

Costa Rican sky

Photograph by James Hogan

Lightnings Strike on Lake Shore Drive, Lake Michigan

Shelf Cloud and Lightning, Wisconsin

In a dramatic display of summer atmospheric conditions, lightning marks the end of an impressively long shelf cloud in the Midwestern U.S.

Photograph by Jennifer Brindley

Lightning, Arizona

Lightning Storm, Kentucky