The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

The highest bridge in America was built for an almost unnervingly small amount of money.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A huge musical instrument played by the ocean.

This private residence was the template for one of the most beloved television homes of all time.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

An artsy hidden staircase leads to breathtaking views of San Francisco.

An essential stop before plundering, BYO Cutlass.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

A large instrument played by the wind.

When you can afford only half a road, you build only half a road.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.