At nearly 4,000 feet across and 255 feet high, the Big Room is the fifth-largest underground chamber in the United States. Many areas have yet to be explored. In fact, an entire new chamber was most ...

On your next getaway, you can explore the world under the earth’s surface that never sees the light of day. From cave kisses ...

Carlsbad Caverns National Park will leave ... a maze about 23 miles (37 kilometers) long. The Big Room, as its name suggests, is the biggest chamber, occupying an area of 14 acres (5.67 hectares).

A 750-foot elevator shaft takes visitors through the earth in Carlsbad Caverns National Park. Story and photos by Adrian HeddenEl Rito Mediaachedden@currentargus.com A 752-foot ride into the ...