In a small Japanese garden off a busy Denver street, a memorial to a brave, principled politician.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

A larger than life statue of a steelworker keeps watch over a closed steel mill.

This university transit system is a 1970's vision of the future.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

This outdoor exhibit features a historic wooden dam once used to help boats navigate the Ohio River.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.