This observation tower is a longstanding, 1960s landmark in the Thousand Islands region of Canada.

A castle built for love, and abandoned due to heartbreak.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This whimsical fountain pays tribute to Toronto's four-legged friends.

Willy Wonka would love this weird half-a-home.

The giant birds honor two native North American species.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

This urban oasis is a marvelous meld of music and landscape architecture.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

Known as "Toronto's Flatiron."

The first post office in Toronto still operates today, complete with quill pens and ink for writing letters.

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

This town is home to the world’s largest arch constructed entirely of elk antlers.

Built for a motel, this cartoon dino is now a symbol of the area's paleontological heritage.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

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

An architect's childhood fantasy treehouse made real.

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

One car at a time please.

A gorilla holding a VW Beetle isn't what you'd expect in rural Vermont.

This Orthodox Church's exterior is rather unorthodox.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.