One of the largest underground systems runs under Canada's largest urban center.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

This abandoned amusement park was built on a site with a dark history.

11,500 year old little girl found buried in an ancient fire pit.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Cold War missile launch site which has been converted to a public park.

The site of the climactic scene from the classic horror film is now a historic landmark.