The most decorated dog of World War I is preserved in the Smithsonian.

Largest institutional collection of tomb figures from Western Mexico in the United States.

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Rock face that shares a name with Mary Shelley's famous doctor.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

A centuries-old church stands as a testament to Boston's "father of architecture."

A historic custom house with ties to George Washington is now a shrine to local nautical history.

This supermarket is suspended 25 feet above an interstate highway.

One of the few remaining monuments dedicated to South Boston's Irish heritage.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

A monument to the Mohawk people stands along an old Native American trade route.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

This historic patch of real estate offers a glimpse of colonial Boston.

This impressive Boston holy house is the American mecca for Christian scientists.

A steampunk wonderland that preserves America's history of industrial innovation.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.