This magnificent Cincinnati graveyard is also a popular public park.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

The only freestanding table rock formation east of the Mississippi.

Lions and tigers and leopards, servals, pumas, bobcats, lynxes, and ocelots... oh my!

The longest navigable underground river in the United States is home to countless blind and albino animals.

A limb from Indiana's largest sycamore tree on record.

It's a unique monument honoring a great character who inspired a generation of young women to be more and pursue their dreams.