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

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

One of the largest, oldest, darkest, quietest motel rooms in the world.

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Dramatic river bend surrounds a natural red-rocked pedestal.

Rippling sand dunes frozen in the Arizona rock.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

The ghostly remains of what was once the world's richest copper mine.

Gorgeous cave resemble a winter wonderland.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Come for the boats, stay to explore the intriguing assortment of art.

Every last book in this bookstore is signed by the author.

148 feet long and in the middle of a verdant forest.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

This curio museum seems like the type of place you might find a mogwai or a monkey's paw.

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

It's a pretty creepy lock-up.

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.