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

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

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

At the turn of the century, a chair like rock sat at the top of the falls and hosted the winner of a local beauty contest.

The modern museum honors the achievements of the state's all-star athletes.

Discover a beautiful natural paradise, minutes away from a thriving city.

This stately clubhouse has showcased German-American culture for over a century.

A collection of relics from the Spiritualist Camp Chesterfield.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

The only freestanding table rock formation east of the Mississippi.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

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

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

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

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

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

See massive fossils that are over 200 million years old in northeastern Arizona.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.