Cross the Continental Divide through an old railroad tunnel, and ride back to the top on a shuttle.

The secluded site of a 1943 plane crash and amazing rescue is only accessible by hiking through the woods.

This oddity shop contains everything from antique tools to a human skeleton.

Two World War II aircraft lie within the jungle around this abandoned runway.

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

Evanston's historic railroad complex saved this rail town from reaching the "end of the line."

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

A ghost town in a remote corner of Oregon hosts a touching tribute to Sacagawea’s son.

At the base of Steens Mountain resides an otherworldly desert.

Eat like a "buckaroo" at this remote restaurant.

The victims of a free-floating Japanese bombing during WWII are remembered by this stone monument.

An internationally-recognized dark sky sanctuary lies in northern Nevada, near the Oregon line.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

This historic pink parlor keeps Phoenicians cool with homemade, retro ice creams.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

Two geoglyphs that are truly unique to North America.

Toss a Frisbee through the ruins of this Colorado gold mining town.

During World War II, over 13,000 people of Japanese ancestry were forcibly removed from their homes and incarcerated in this camp in the Idaho desert.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.