A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

Burial mounds of prehistoric Native Americans who lived along the DuPage River.

The giant metal fruit was once the symbol of a large farm.

A natural dome made of volcanic glass in Inyo National Forest.

This historic hub for labor unions has survived the city's changing landscape.

This grisly headstone doesn’t seem to be resting in peace.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

An enormous park-like oasis, full of famous Chicagoans' graves.