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

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This shop for all your super spy needs hides an educational secret.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This egg-shaped treehouse was inspired by "sport sleeping."

Fossils, railroads, and waterfalls!

Traditional 15th century Chinese garden in the middle of Vancouver.

This expansive bridge in the Canadian wilderness was originally just built for friends.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.