This retro diner claims to be the birthplace of poutine.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

A haven for wildlife amid the farmlands and development of the Willamette River Valley.

For many years, the river that Julius Caesar led his army across into Italy was lost until re-identified.

Once part of an extensive network of fire towers, this is one of the few remaining in this Wisconsin forest.

Named for a prominent scout and explorer, this Wyoming state park encompasses a replica of an 1840s trading post, a 19th-century Army outpost, and early 20th-century automobile lodgings.

A museum dedicated to firefighting in a city that was crucial to the modern history of the profession.

This rural museum highlights Wyoming's era of trapping and fur trades, and hosts the annual Green River Rendezvous in July.

This arch was featured prominently in the film.

This enthusiast-led facility is the only museum in the country dedicated to the preservation of weather artifacts.

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

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

Press 1 for knock-knock jokes.

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

The source of America's longest river is also a historical landmark and the start of a famous nude run.

Some believe this tree to be more than 1,500 years old.

The beginning of the historic Iditarod Trail connecting the Alaskan cities of Seward and Nome.

The arch marks the beginning of the road for northbound travelers.

This icon of the Atomic Age now lays dormant.

View Kentucky's beauty and history from the perspective of painter John James Audubon, author and illustrator.

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

An expansive collection of vehicles and other paraphernalia marking the history of firefighting.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

A free museum that memorializes the deadliest river flood in American history, and the civil engineering efforts to tame the Mississippi River.