Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

Over 60 chemical plants and oil refineries sit in a 15-mile-wide section outside town.

In northern Ohio, the glorious past of America's trains is on full display.

A horse-drawn 1858 steam pumper fire engine encased in glass on the front lawn of a Michigan insurance company.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

The remains of a failed canal can be found in several towns near Lake St. Clair and is known historically as "Mason's Folly."

This life-sized effigy commemorates the dedicated abolitionist and social reformer.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

Little did a museum know, they possessed the last-known lunch wagon in existence.

The last remaining tollhouse in Michigan built during the 19th-century plank road craze.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

A park and memorial dedicated to the victims of the deadliest school massacre in American history.