Cathedral Caverns has some great formations inside, featuring one of the largest stalagmites in the world.
Cathedral Caverns - The Pride of Alabama -- Located in northeastern Alabama, Cathedral Caverns offers an easy look inside an underground system of caverns. The primary trail is well-developed and wheel-chair accessible for most of its 2.9 mile length. The Caverns features many impressive sights. Notable features of the caverns include:
An entrance measuring 25 feet tall and 128 feet wide believed to be the world's widest entrance to a commercial cave - - The column known as Goliath, one of the largest stalagmites in the world measuring 45 feet tall and 243 feet in circumference - - The large flow stone "waterfall," 32 feet tall and 135 feet long - - An "improbable" stalagmite, only 3 inches in diameter at its base and rising at a 45-degree angle from a rock formation to the cave ceiling 25 feet above - - The Big Room, 792 feet long and 200 feet wide - - Mystery River, which flows through the cavern and which due to limited outflow may cause flooding after heavy rain.
FEES:
There is a fee to do the cave tour. You can get updated pricing and learn more at AlaPark.com.