A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

This is not your typical jungle gym.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The world's largest collection of the world's largest objects is in one small Illinois town.

A gas station has taken the place of the home of the 19th American President.

A bit of retro transportation flair preserved in the world's largest department store.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

Ruins of a historic medical facility sits eerily by the water.