The giant birds honor two native North American species.

The purported world's shortest international bridge connects a homeowner in Canada to his backyard in New York.

This mill on Lake Erie appears to shrink as a viewer approaches thanks to an optical illusion.

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

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

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

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This sidewalk tribute honors Colorado's great culinary creation.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

Reputedly the smallest jail in North America.

A 1975 bylaw prohibits the construction of any building that would block the view of this Gothic Revival church.

One of the last remaining covered bridges in the province of Ontario.

The "birthplace of insulin," where Sir Frederick Banting realized the hormone could save the lives of Type 1 diabetics.

This building's metal facade is the last of its kind in all of Canada.

This half-ton piece of the Alps sits at the base of the CN Tower.

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

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

The remnants of the base where US Army troops learned how to fight in extreme conditions.

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

An effigy of Vancouver's Gastown neighorhood's namesake.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

St. Augustine's record-setting narrow street was designed to protect against pirates.

An 18th-century Spanish watchtower made entirely of seashell and concrete.