This U.S. natural reserve is an ancient spiritual place and rock climber’s paradise.

One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

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

Jail from the 19th century that was built by inmates.

This work of art by Matthew Mazzotta resides in this park dedicated to the first black legislator in Idaho.

The largest outdoor art gallery in the Northwest United States.

This unusually circular centenarian barn became a Route 66 icon.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Behind the Cowboy Hall of Fame is a burial ground for good horses and a famed rodeo bull.

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

This memorial and the seawall that it stands near are powerful symbols of the island’s resilience.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

A museum and apothecary garden devoted to the history of frontier medicine.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

This little slice of old Jerusalem in Oklahoma is the evolution of a century-old passion play.

This small museum inside a larger sports complex honors the first Native American to win an Olympic gold medal for the U.S., and his life of achievement and struggle.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

A 1940's shrine dedicated to drowned fishermen on the outskirts of Honolulu.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

This iconic location, shrouded in mystery and nostalgia and still an active YMCA camp, was the setting for the Dharma Barracks in the hit TV series 'Lost.'

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.