Home to a full cast of the largest woolly mammoth ever recovered in North America. 

Before Nixon, "watergate" meant canals.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

Where hundreds of Japanese civilians committed suicide to avoid being captured by American soldiers during WWII.

A gorgeous gem on the ocean.

Once a popular hangout spot this huge mall was left to ruin after economic crash.

An abandoned lighthouse off the beaten path, one of the few surviving pre-World War II Japanese structures, offers a beautiful view.

This jail once controlled by the Japanese military now sits abandoned on a remote Pacific island.

This greenhouse was once a hockey arena.

Portland had a unique approach to Cold War-era protections.

This house of worship in the Arctic Circle is shaped like an igloo.

In ancient times, these fallen standing stones supported a massive house.

A crystal clear beach surrounded by beautiful coral reefs.

This abandoned radar site is slowly being taken back by the jungle, its mission cut short by the end of the Cold War.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.