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

A 25,000-square-foot display with dozens of model trains in intricate miniature worlds.

A free park where visitors can learn about and collect 440 million-year-old fossils.

The collection of a paranormal investigator who traveled the country collecting haunted items and stories.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

What is it about mushrooms that makes people wish they lived inside of them?

The inventor of the iconic Pringles can was so proud of his invention he was buried in one.

Where beautiful signs live on forever.

An abandoned relic of the city's failed experiment with below ground transit.

More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers

An art deco ice cream shop covered in vintage train station tiles.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

A shop for all your magical needs and notions.

He’s not from around here.

Dozens of tiny doors dot Newport's Mansion Hill neighborhood.

Prehistoric animals decorate this popular outdoor park.

An abandoned theme park with a strange and tumultuous past.

One of the few surviving "Wigwam"-themed motels.

A museum that houses the world's largest collection of ventriloquism dummies.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

A local scoured more than 1,000 acres for stone to create his masterpiece.

A life-sized recreation of the megafauna that once roamed this region is a feature at the birthplace of American paleontology.