Carlsbad Cavern 2009

Limestone formations inside Carlsbad Cavern in Carlsbad, New Mexico

Stalactite formation inside Carlsbad Cavern in Carlsbad, New Mexico

Stalactites hang like daggers in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites hang like daggers in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactite formation in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites hang like daggers in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites hang like daggers in the Big Room at Carlsbad Caverns National Park in New Mexico

The Hall of Giants in the Big Room of Carlsbad Cavern National Park, New Mexico

Stalactites hang like daggers in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites hang like daggers in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites hang like daggers in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico

The Hall of Giants in the Big Room, Carlsbad Caverns National Park, New Mexico

The Hall of Giants in the Big Room, Carlsbad Caverns National Park, New Mexico

The Hall of Giants in the Big Room, Carlsbad Caverns National Park, New Mexico

Limestone formation in Carlsbad Caverns National Park, New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico

Stalactites in the Big Room at Carlsbad Caverns National Park in New Mexico