This stunning and ethereal mural symbolizes the beauty, unity, and diversity of humankind.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

On the Hudson resides one of the largest clocks in the world.

World Trade Center memorial likened to a woman's sexual organ.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

Every year, the colorful murals of Montreal get a complete makeover.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

A contemporary fresco movement illustrates the region's rich history.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

With its webbed walls and bright red coloring, Calgary's iconic bridge looks like a finger trap puzzle stretched across the river.

The only road through the heart of Glacier National Park.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

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

The first declared National Monument in the United States.

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

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

A living antique aviation museum in the historic town of Red Hook, New York.

The remains of what was once the world's steepest passenger funicular.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

A young woman's senseless murder led to the controversial psychological theory of the "bystander effect."