Families can explore caverns that are more than 440 million years old at Indian Echo Caverns, just minutes from Hersheypark and the other sweet attractions. Guests can walk through the various stalagmites, stalactites and caverns, seeing lakes and colorful limestone. Tours last about 45 minutes. No matter the time of year, it is always 52 degrees inside the caverns. Outside, families can enjoy picnic areas, a playground and a petting zoo. There is also a gift shop.

Indian Echo Caverns are open daily from 10 a.m. to 4 p.m. During the summer months, from Memorial Day to Labor Day, hours are extended to 9 a.m. to 5 p.m. Admission is free for children under 2 years old.