Other attractions are quite massive: The Great Heart of Timpanogos stalactite in Timpanogos Cave is 5 1/2 feet long, 3 feet wide and weighs in at 4,000 pounds. A stalactite-stalagmite pairs that ...

Explorers also encounter a variety of unique formations like helictites—delicate, gravity-defying mineral structures—and the "Heart of Timpanogos," a stalactite resembling a human heart.

The Big Room, the largest chamber, boasts incredible formations like stalactites and stalagmites ... a hidden world beneath the surface. Timpanogos Cave National Monument (American Fork, Utah ...