This decommissioned surface-to-surface missile resides outside the American Legion Post in Pennslyvania.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

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.

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.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

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

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

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

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

A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.

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.

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

A medical facility that has been kept frozen in time.

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

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

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

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

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

This bridge was constructed from the remains of the first Ferris wheel.