A historic cavern 210 feet below ground along historic Route 66 in northwestern Arizona has finally reopened for tours. Grand Canyon Caverns, in Peach Springs near the Hualapai Indian Reservation, ...

SELIGMAN, AZ (AZFamily) — Twenty-one stories deep and about a mile off of old Route 66 sits the Grand Canyon Caverns. Formed over 15 million years ago, they were discovered in 1927, and tours began in ...

Corrections & Clarifications: An earlier version of this article gave an incorrect location for Grand Canyon Caverns. A historic cavern 210 feet below ground along historic Route 66 in northwestern ...

Grand Canyon Caverns has reopened after being closed for nearly three years for repairs. Grand Canyon Caverns is in Peach Springs in northwestern Arizona. Two tours of the cavern are offered: 25 ...