The mounds at this site were reconstructed with the help of archaeologists and historians.

The remains of a massive blast furnace in what was once one of the country's largest iron-producing regions.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

All that remains of a gigantic earth-moving machine.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

The largest earthwork effigy in the world.

How did a massive marine arthropod find its way to landlocked Ohio?

Constructed from the ruins of a former glass factory, this park incorporates the old with the new.

Ornate and vibrant, this temple is a colorful place of worship for Columbus's Thai and Laotian communities.