One of the world's largest model railroads is a mind-boggling achievement.

A rare view of a preserved Victorian science museum.

A unique sculpture park that specializes in the huge and bizarre.

One person's lost luggage is another person's treasure.

Michael Heizer's masterwork in the Nevada Basin.

See massive fossils that are over 200 million years old in northeastern Arizona.

Rippling sand dunes frozen in the Arizona rock.

Outsider Art Community.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Dramatic river bend surrounds a natural red-rocked pedestal.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

Largest man-made excavation on earth!

Beyond being incredibly fun, not much can be said about the Hole with certitude.

Museum dedicated to awful artwork.

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

A modern day curiosity cabinet.

"World machine" built by an untrained Austrian farmer.

The remnants of an early American attempt at missile defense.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

A student driver's nightmare.

Huge masonic hall in Philadelphia with lavishly themed rooms.