The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

Spanning over 10,000 square miles, this ancient salt pan is one of the largest on the planet.

An enchanting rocky island of scraggly baobabs surrounded by an ancient sea and sprawling salt pans.

A majestic hotel that also stands as a historic relic.

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

Take a hike to this remote, scenic tea stop in the Canadian Rockies.

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

This natural wonder is disappearing at an alarming rate.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

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

This towering totem holds the title for the tallest in the world but only according to some.

A monument stands at one of the starting lines of the Trans-Canada Highway, formerly the longest uninterrupted highway in the world.

This historic Victorian hotel has a scandalous history of affairs and murder.

Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

Fossils, railroads, and waterfalls!

This canyon is named for a unique geologic formation where the river vanishes underground near the mouth of the canyon and reappears farther down.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

Spectacular views await visitors to this lake.

The only road through the heart of Glacier National Park.

This statue honors Marvin Klegman, a heroic child who died while saving another boy's life in a 1949 earthquake, and shares his long untold story.