A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Take a dip in the world's largest mineral hot springs pool.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

A downtown park built on top of unclaimed graves.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The highest bridge in America was built for an almost unnervingly small amount of money.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Perhaps the most scandalous statue of America's first president.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.