From mining complex to industrial exhibition, this museum once played a major part in the X-Files.

The "plyscraper" is the world's tallest building made predominantly out of wood.

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

A smoke stack so large, the Washington Monument could fit inside!

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

New fungal and bacterial species call this deadly lake home.

A sprawling museum located on the former site of the Orphan Girl Mine.

A fitting attraction for the corn capital of the world.

An underground wonderland in Iowa.

A monument to the art of slicing people open.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

Reputedly the smallest jail in North America.

This natural sea cave hides a small wonderland of natural turquoise beauty.

Little island known for its massive beachfront "flowerpot" pillars.

The statue of the famous elephant who was the original source of the word "jumbo".

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

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

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

When beetles destroyed these trees, they found new life as fantasy sculptures.

Perched atop a brick smokestack, this enormous lug nut symbolizes the local minor league baseball team.

Housed in the university planetarium, the thousand-strong collection of tiny towelettes includes a used one from the hosts of Car Talk.