A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

Some 46,000 years ago, a volcanic eruption led to a flooding event that carved this short canyon with steep vertical walls.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

In Costa Rica's cloud forest, the roots of a woody ficus create a botanical bridge.

A unique geological area spiked with wind-carved rocks that resemble teepees.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

The ruins of this former mining boomtown once housed over 3,000 people. Now, the population is two.

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Stand at the point where the two mightiest rivers in the United States converge.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

This kitschy tavern is also home to rare early editions of "Treasure Island."

These pink granite water slides are the result of millions of years of erosion.

Odd outsider art installations surround a Gold Rush-era ghost town.

This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

A museum dedicated to the mysterious cryptid.

An enormous roadside pan tells the story of a battle for pie glory.

A Prada store in the West Texas desert that is never open for business.

Aged nearly 1,700 years, the world's oldest bottle of wine is probably still drinkable.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.