A fast-moving wildfire is currently tearing through the North Rim of Grand Canyon National Park, forcing evacuations, shutting down major tourist areas and destroying one of the park’s most historic landmarks.

Jamie Coffin recalls being one of several people flown out of the Grand Canyon because of a chlorine gas leak.

Wildfires have forced evacuations at two U.S. national parks in the West as summer monsoon storms increase lightning in the region.

Two fast-moving wildfires—the Dragon Bravo and White Sage fires—have scorched more than 45,000 acres, destroyed the iconic North Rim lodge and dozens of structures, and led to long-term closures in the Grand Canyon.

The North Rim was evacuated Thursday because of wildfire and will remain closed for the rest of the season, the park said in a statement.

Two wildfires burning near the Grand Canyon have scorched more than 45,000 acres of tinder dry brush and vegetation and prompted evacuation orders for the Kaibab National Forest and north to the Utah border.

A growing wildfire ignited by lightning is prompting evacuations near the Grand Canyon after burning through over 1,000 acres in Arizona

Fire crews expected to continue using aircraft to support ground crews on northern Arizona wildfires, according to InciWeb, a wildfire tracker.

Wildfires have forced evacuations for visitors and staff at two national parks — Gunnison and the Grand Canyon — in the U.S. as the summer monsoon season brings increased lightning to the arid region.