Pittsburgh’s largest and most detailed model train display began as one WWI veteran’s hobby.

A T. Rex statue dressed as Mister Rogers honors the children’s-television pioneer.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

This icon of the Atomic Age now lays dormant.

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

A quirky collection of outsider art made from automobile parts.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

An actual piece of the Moon, brought down to Earth by Apollo 15.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

This sculpture commemorates the first instance of an American president pardoning a turkey.

An easy-to-miss plaque marks the building that first held this 19th-century telephone innovation.

This historic fort spans more the 300 years.

Catch a ride through the Pennsylvania countryside on this historic narrow-gauge railroad.

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

A giant green dragon crawls down from the roof of the Providence Children's Museum.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

Rumors of the occult haunt this upscale 1920s hotel.