Make it an offering.

The world's last remaining store of its kind.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

This charmingly homemade amusement park has been growing for 40 years.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

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

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

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

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

Home to the deepest rift anywhere on Earth.

The unusual burial monument of Arizona's first governor.