This golfball sized platinum iridium cylinder is the official starting point for all national weight calibrations

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

Two dozen pinball games hidden away inside a most unlikely location.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

A local farm's collection of unusual structures from a now defunct storybook amusement park.