The Big Room, an underground chamber 4,000 feet long, reached on foot down the natural entrance.
Been here? Send us a photo — get credited as Freedom ScoutWhy it matters
A teenage cowboy followed a column of bats into a hole in 1898 and found this.
Nearby in New Mexico
New Mexico State Capitol
Santa Fe, NM
Trinity Site
White Sands, NM
Santa Fe Plaza
Santa Fe, NM
Bandelier National Monument
Los Alamos, NM
Bradbury Science Museum
Los Alamos, NM
Taos Pueblo
Taos, NM