A downtown park built on top of unclaimed graves.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

The clock that sets them all.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

A little-known hot spring haven right below the highway.

This spectacular track has run continuously since 1882.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This painted blacktop brings the classic arcade game to life.

A nondescript Seattle restaurant inherited a piece of European history.

This former coal gasification plant found a curious second life as a popular public park.