The arch that celebrated the completion of the Lincoln and Victory highways.

A breathtaking 19th-century trail overlooks Lake Tahoe.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Thousands of turbines whir at at the origin of North American wind power.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

This giant temperature attraction created some giant electric bills.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This town is home to the world’s largest arch constructed entirely of elk antlers.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

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

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

Take a dip in the world's largest mineral hot springs pool.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

Two creeks flow out of either end of this canyon in opposite directions.

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

Although it also features red, orange, and variegated cliffs of Navajo Sandstone, this state park is often overshadowed by its more famous neighbor.

A unique collection of drawings that represent Fremont Native American culture.

This Moab institution functions as both a rock store and a small natural history museum.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

Only ruined buildings and abandoned charcoal kilns remain of this once bustling Wild West boom town.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

The last SR-71 ever constructed.

The only ski tunnel in North America provides easy access to amazing snow and beautiful views.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.