The northernmost international land border crossing in the United States.

A lasting testament to the Klondike Gold Rush.

The highway's southernmost spot is a beloved local attraction.

A monument celebrating the idea of reaching inaccessible places.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

The house that Southern rock built now stands as a monument to one of the genre's favorite families.

One of the largest underground systems runs under Canada's largest urban center.

The roadway bend where highway painters practice their craft looks like expressionist art.

An architectural marvel built by a nearly forgotten Canadian Quaker sect, the Children of Peace.

This giant roadside fruit is home to an array of apple-based treats.

This giant Canadian coin is a monument to the artist who created its iconic emblem.

Inside this park, an engineering marvel from the early 20th-century still stands.

This video store is a horror buff's dream.

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

A huge, bustling local market in Panama City.

A pocket of jungle amidst urban expansion in Panama.

Possibly the world's largest coin stands just outside of a Canadian science center.

This mineral lake known for its healing powers is so buoyant it's been dubbed the "Dead Sea of Canada."

Not for the faint of heart, this long pedestrian bridge rewards those who brave the wobbly walk with a beautiful view.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

A famed drink seasoned with an amputated toe, now on its tenth digit.

Roadside collection of 65,000 signs.