This natural wonder is disappearing at an alarming rate.

With a floor made of thick glass, this observation deck offers a full view of Sunwapta Valley's mountains and rivers.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.