This ancient settlement contains some of the largest earthen mounds in North America.

The highest point in Louisiana, Driskill Mountain at 535 feet above sea level.

A Rodeo for Prisoners.

The only international border marker within the United States.

This eight-mile stretch of road gets its name from a local legend about a lost soul searching for his head.

The 19th-century ruins hide deep in an overgrown forest.

A 19th century family buried their dead among the pines, beneath gravestones styled after ancient Scottish cairns.

A rare example of a medieval house in Rome adorned with a melancholic inscription.

The walls of this tiny Italian church are entirely covered with frescoes.

A colossal aqueduct from the second century B.C., deeply hidden in a gorge on the outskirts of Rome.

Chicago was once a major hub of film production, but being silent film you don’t hear much about it.

Theater has had many different incarnations but has survived the ravages of time.

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

No one knows how many bodies are in this vault in a Chicago public park.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

One of the last functioning antique elevators in Chicago.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

First planned industrial community in the United States.