The tallest dam in Montana and top 10 in the country.

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

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

A classic mystery spot complete with spots that are said to make you shrink or grow when you stand on them.

The highest point in Washington state is a volcano covered in glaciers.

The tiny church offers succor to travelers driving by, but only eight at a time.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

An extraordinary collection of aircraft and spacecraft on display at the original site of the Boeing Company.

This museum on San Juan Island is dedicated to the conservation of orca pods.

Take a selfie with one of the area’s founding fathers.

The colonial home of Paul Revere during the American Revolution.

Rumors of the occult haunt this upscale 1920s hotel.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

This beloved marketplace mascot poops money and grants good luck.

This elaborate towering structure was once famed for its revolutionary height.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

This large stone residence served as a field hospital during the Battle of Gettysburg between stints as a tavern.

Experience the pivotal Civil War battle at this interactive museum.

This is the spot where the bloodiest battle in the American Civil War may have started.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.