Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

The Bong-area park police have asked visitors to please, stop stealing the signs.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

Paranormal activity on the great lakes.

Considered by many to be one of the most dangerous highways in Alaska.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Four-story concrete hotel never opened to customers.

This whimsical stacked cabin looks like something out of a children's book.

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

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Railroad came. People came. Railroad left. Town died.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Nature and art meet in this curvy creation

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

A tunnel with windows, so you don't miss out on the impressive views.

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."

Recovered from the brink of extinction, at home in the Financial District.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

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

The bones of an old zoo crumbling in the shadow of a new one.

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.