One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This Toronto garden collects stares and tchotchkes in equal measure.

Willy Wonka would love this weird half-a-home.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Ancient pueblos built into the base of a natural canyon wall.

An homage to everyone's favorite prehistoric cartoon family.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Lie in a hammock where George Washington stood.

World War II-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers.

A museum and tribute to a brave profession.

A self-built castle made by a mysterious man.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

A natural history wunderkammer in the middle of the desert.

The world's largest military aircraft cemetery.

A towering bronze statue memorializes the founding father of postwar American conservatism.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

Millions of years of erosion created the feature for which this rock formation is aptly named.

One of the largest open-pit copper mining operations in the entire country.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

The unusual burial monument of Arizona's first governor.

Stairs often replace streets on the steep slopes of this old mining town.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.