The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

An abandoned asylum incorporated into a college campus.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

Rare recess caves fill this unbelievably beautiful Ohio park.

The angel of death appears to weep black tears at this grave marker.

Where beautiful signs live on forever.

Faces carved into the cliffs create an otherworldly walking trail.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

A suspended garden, now gone, once hung in the middle of this abandoned church.

Inside, ancient treasures. Outside, modern contradictions.

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

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

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

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

A miniature world of concrete and stone in Springfield, Ohio.

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