Even Henry David Thoreau found this glacial pothole irresistible.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

Solar powered Spectacle Island features all-green facilities.

Hill-like structures formed by glaciers and sandy spits of land.

The hill that gave the Massachusett tribe, and later the state, its name.

This small shop walked so America could run on Dunkin'.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

This hidden labyrinth offers walkers some brief peace of mind.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

Museum dedicated to awful artwork.

One of America's most historic homes also holds a startling literary legacy.

This supermarket is suspended 25 feet above an interstate highway.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

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

Time travel with sweets across history at this research-based candy store.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Perhaps the most scandalous statue of America's first president.

Look closely and you’ll notice that the color changes a third of the way up the tower.