The ruins of this monumental city founded by the first Roman Emperor are strangely overlooked by most travelers.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Along a California highway is a kind of Jurassic Park made of metal.

A Beaux-Arts triumph set to become Ford's innovation campus

One man's attempt to create an artistic wonder on a run-down block in Detroit.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Strange physical sensations and optical contradictions keep visitors coming back for more.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Former self-sufficient mental institution now a planned community.

The secret skeleton of a murdered nun was discovered in this church basement, but the scandal doesn't end there.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Legs Inn provides Polish food, a cornucopia of Native American artwork, wood carvings, and mounted deer heads.