Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

A sprawling outdoor museum filled with larger-than-life works of art.

Once known as the Illinois Asylum for the Incurable Insane.

This rare female version of the Muffler Man has its clothes removed each summer to signal the start of pool season.

A collection of 11 million buttons illustrates the human toll of the Holocaust.

This former office building has been transformed into an immersive music venue and art space.

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

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

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

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

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

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

This mysterious hill seems to pull objects uphill.

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

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

One man's goal to be surrounded by color resulted in this enchanting assortment of avian abodes.

Both funky and traditional, it's the oldest of its kind in Indiana.

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

This abandoned 19th century orphanage started as a boarding school for children of Civil War veterans.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.