At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

The king of U.S. high points towers over every other peak on the continent.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

The highest point in Virginia can only be reached by passing through ponies and flowers.

The highest peak in the state of Vermont has some interesting features.

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

The highest point in Nevada had to be decided by court order after California tried to claim it as their own.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

The highest point in Maryland is only accessible by hiking through another state.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

The largest source of fossilized insects anywhere.

This super steep hike ascends 2,000 feet in less than a mile.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

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

A (slightly) grownup take on the classic retro arcade.

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.