The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

This metal disk commemorates the birth of a historic American holiday.

This woodland architectural installation acts as a camera obscura for the heavens.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.