Only known mainland rookery of the threatened Stellar sea lion.

This 19th-century museum inside of a lighthouse is only accessible during low tide.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

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

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

A vertically floating hemlock controls the waves and weather at Crater Lake.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

Cascading outward, this waterfall creates the appearance of a flowing veil.

An auroral research program that superheats the ionosphere.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

Roadside collection of 65,000 signs.

With a floor made of thick glass, this observation deck offers a full view of Sunwapta Valley's mountains and rivers.

In 1909, the steepest and most difficult piece of track on the Canadian Pacific Railway was replaced with a series of spiralling tunnels cut into the mountains.

Canada’s surprisingly controversial monument to Dwight Eisenhower.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

Home of a French nobleman's short-lived attempt at raising cattle in the Badlands of North Dakota.

Decorated by local artists, the city's utility boxes have become three-dimensional canvases.

A controversial blue hoop has been puzzling freeway drivers since 2013.

A standalone wonder amid the prairie badlands of southeastern Alberta.

The world's largest moose statue is located (where else?) in Canada.

A spoke-tacular artwork constructed from recycled bicycle rims.

This decommissioned DC-3 now forever points into the oncoming wind.

Open day and night, a church with three pews and Bibles.