The abandoned coal loading dock is a canvas for unsanctioned art.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

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

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

Pennsylvanian mass grave and possibly mass murder.

An overgrown garden stands as a grim marker of an unrealized dream.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

The oddly shaped, steam-spewing building is now an art studio and gallery.

This historic mansion was built as a symbol of love between a husband and wife.

Exact replica of the ancient monument, but much, much lighter.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

An obscure federal monument honors the French diplomat who served as Ambassador to the U.S. during WWI.

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

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

A Civil War Museum with some notable medical antiques.

This four-story steel sphere in Maryland was used to test biological weapons.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States