The king of U.S. high points towers over every other peak on the continent.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

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

The longest and widest floating bridge in the world.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.