The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

The Decoy Capital of the World.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

Wedged between two sets of row houses is an awkwardly located family graveyard.

The world's oldest continuously operating airport was founded by the Wright Brothers.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

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

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A Civil War Museum with some notable medical antiques.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

A model home in the Medical Examiner's Office in which grisly death scenes are staged to train forensic investigators.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

The land is home to swimming ponies and a legendary 18th-century treasure.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.