This unassuming home was once “grand central station” for the Underground Railroad.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

A rural hall of justice holds the world's only comic book and superhero museum.

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

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

Display that gathers the basic elements of the universe in one convenient location.

Ornate limestone building now filled with geologic specimens, and more.

One man's vision and a labor of love of many.

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

This mysterious hill seems to pull objects uphill.

The first spinning jail built in the United States is the only one that still turns.

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

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

Symbolic attempt to overcome the issues of life.

If astronomy had a ghost, it would look like this observatory.

A medical facility that has been kept frozen in time.

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

This park pays homage to the region's rich industrial history of brick making.

Beside a busy highway, a colony of Great Blue Herons raises hundreds of offspring each year.

After covering almost 1.5 billion acres, the survey's still not finished.

This restaurant proudly displays bread signed by the 39th president.

Learn about the history and craftsmanship of carousels inside this museum located in a former post office.

A gas station has taken the place of the home of the 19th American President.

This NASA test station is home to some of the world’s largest and most powerful space environment simulation facilities.