Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

The Wright Tavern is possibly the most important building in Concord Massachusetts to the American Revolution.

This amazingly preserved Gold Rush town is a historian's dream.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

The old fire tower is one of the last of its kind in the United States.

At the time of its completion, it was the tallest dam in the world.

The first declared National Monument in the United States.

The famous 102-year-old circus elephant was struck and killed by lightning.

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

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

An entire town preserved as a historic landmark.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.