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

This relic of transportation history still stands in this Indiana city.

Along this stretch of Indiana roadway resides a giant insect composed entirely of scrap metal.

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

This multisensory alley has the ability to remind bustling citygoers to stop and smell the roses.

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

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

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.

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

This turn of the century jail once held Charles Manson.

One tree's homage to soles past and present.

Lined with plaques and tributes to veterans, this patriotic street was founded by Mexican immigrants.

Home with Gothic windows featured in a famous painting.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

An idle pastime becomes a record holder in Boys Town, Nebraska.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.