A former waterfront market is now in the center of town due to some interesting Boston engineering.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

This is not your typical jungle gym.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

Less a museum than a bizarre fantasy world created by artists and engineers.

Cadillac where country's first big star was found dead.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.