The first curved wooden bridge in Canada was built as part of the Alaska-Canada Highway.

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

Historic site where Native American hunters once trapped and killed buffalo.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

Fossils, railroads, and waterfalls!

This natural wonder is disappearing at an alarming rate.

Alberta's Pipestone Creek Bonebed is one of the densest fossil sites in the world. This nearby museum showcases some of the best finds from its "river of death."

A majestic hotel that also stands as a historic relic.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

A recreation of an Old West apothecary full of curios.

This spectacular track has run continuously since 1882.

A hotel with a rich Wild West history of miners and bootleggers.

This bee-themed family business does more with honey than anyone would think was possible.

This alpine statue of Jesus in Silverton is said to protect both miners and local economies.

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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

Three witches are said to be buried beneath these unmarked concrete graves.

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