The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The world's largest dead polar bear, immortalized by taxidermy and Hunter S. Thompson.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

Millions of dollars worth of sculpture decorate this Iowa city center.

Adherence to strict Jewish laws is required to enter this ultra-conservative New York village.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Singing sand that stands as the final remains of an ancient lake.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

Home to the deepest rift anywhere on Earth.

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Jurassic Park—A Still Life.

The largest island on the great salt lake is home to curious creatures and strange stories.

The longest living non-clonal organisms on Earth.