Theater has had many different incarnations but has survived the ravages of time.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

All of Chicago's wood-paved streets are long gone but two alleys remain.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

Former meatpacking facility turned vertical farm and sustainable business complex.

This historic hotel invented the chocolate brownie.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

The subtle science of a master molecular gastronomist.

A monument to the art of slicing people open.

A sliver of nostalgia in Seattle's Viretta Park.

A technicolor place of worship for Elevationists.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The New Central Library is a masterpiece of contemporary architecture in the midst of downtown Calgary.

Eclectic musical collection ranging from hurdy gurdies and orphicas to the Rolling Stones Mobile Studio.

This natural wonder is disappearing at an alarming rate.

Historic site where Native American hunters once trapped and killed buffalo.

As if T-rex wasn't big enough, this Canadian monument is four times larger than the real thing.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

This massive and unusual rock formation near Okotoks is the world's largest known glacial erratic.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

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

The ruins of the "20-year town" lay out among the mountains of Alberta.