Limestone rock formations have created various spectacular stalactite and stalagmite figures. Stalagmite and stalactite formations are found in the caves. A stone pillar is formed when a stalagmite and stalactite meet. It features stalactite and stalagmite formations that offer stunning sight. The stalagmite and stalactite are the two main subsurface features in a Carboniferous Limestone area. Cathedral Caverns is a karst cave with a large stalagmite forest covering approximately . The fossilized remains were embedded in a silty layer sandwiched between layers of stalagmite. Stalagmite formation occurs only under certain pH conditions within the cavern. A cave pearl forms when the water is moving too vigorously to form a stalagmite. The corresponding formation on the floor of the cave is known as a stalagmite. Another type of stalagmite is formed in lava tubes while lava is still active inside. The statue was carved from one stalagmite. Sinbad blinds the Cyclops and later trips and impales him by a stalagmite. The statue, carved from one stalagmite, is nearly high. Before the battle ends, James is able to impale Blood on a silver-veined stalagmite.