Corydon

caves
Marengo Cave National Landmark and Park
400 East IN 64, Marengo, 888 70-CAVES, (http://www.marengocave.com). A United States National Landmark offering a variety of underground splendor rarely seen in a single cave. The park that overlies the cave and the nearby recreation area offer many activities, including canoeing, gemstone mining, a cave simulator, hiking, fishing and much more.
Squire Boone Caverns
100 Squire Boone Rd. off IN 135 SOUTH, Mauckport, 812 732-4382, (http://www.squireboonecav...). Explore the caverns that brothers Squire and Daniel Boone discovered in 1790. Squire Boone Caverns also has underground waterfalls, a great cave tour, and many other cave wonders. Also don't for get to visit the petting zoo, candle dipping exhibits and the bakery. Squire Boone Caverns is an entertaining experience for the whole family to enjoy.
Wyandotte Caves
7315 S. Wyandotte Cave Rd. off IN 62 WEST, 888 70-CAVES, (http://www.wyandottecaves.com). Designated a National Natural Landmark in 1974, enjoy immense passageways and huge rooms with delicate formations and crystals, woven together with a rich history spanning thousands of years.

Wyandotte will be closed during 2009 for renovations.