Established on May 14, 1930, Carlsbad Caverns National Park is famous both for its elaborately decorated caves and the colonies of bats found in them. The caves form a maze about 23 miles (37 ...

Carlsbad Caverns National Park rangers pounced into action after a visitor left a bag of Cheetos that inhabitants of the caves found and spread, nearly destroying its ecosystem.

FILE - Hundreds of cave formations are shown decorating the Big Room at Carlsbad Caverns National Park near Carlsbad, N.M., Dec. 18, 2010. (AP Photo/Susan Montoya Bryan, File) ...

FILE – Hundreds of cave formations are shown decorating the Big Room at Carlsbad Caverns National Park near Carlsbad, N.M., Dec. 18, 2010. (AP Photo/Susan Montoya Bryan, File) ...

This photo shows a bag of Cheetos that was dropped off trail by a visitor in the Big Room at the national park near Carlsbad, N.M.(Carlsbad Caverns National Park via AP) ...

Carlsbad Caverns National Park in southeastern New Mexico is home to 119 known caves, including North America's largest cave chamber, the Big Room. When you purchase through links on our site, we ...

FILE - Hundreds of cave formations are shown decorating the Big Room at Carlsbad Caverns National Park near Carlsbad, N.M., Dec. 18, 2010. (AP Photo/Susan Montoya Bryan, File) ...

FILE - Hundreds of cave formations are shown decorating the Big Room at Carlsbad Caverns National Park near Carlsbad, N.M., Dec. 18, 2010. (AP Photo/Susan Montoya Bryan, File) ...

FILE - Hundreds of cave formations are shown decorating the Big Room at Carlsbad Caverns National Park near Carlsbad, N.M., Dec. 18, 2010. (AP Photo/Susan Montoya Bryan, File) ...

FILE - Hundreds of cave formations are shown decorating the Big Room at Carlsbad Caverns National Park near Carlsbad, N.M., Dec. 18, 2010. (AP Photo/Susan Montoya Bryan, File) ...

Rangers at Carlsbad Caverns National Park in southern New Mexico describe it as a “world-changing” event for the tiny microbes and insects that call this specialized subterranean environment home.