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

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

Pennsylvania's own Roswell-style UFO mystery.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

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

A winding district gerrymandered into the shape of a mantis.

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

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

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

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

A local farm's collection of unusual structures from a now defunct storybook amusement park.

An eerie, decaying ghost town destined to fade into the forest.

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

The site where Poe “in great distress, and ... in need of immediate assistance” likely died.

The Home and murder site of the witch of Rehmeyers Hollow.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

A hidden alley in urban Baltimore is a haven for graffiti artists.

The trials and tribulations of marking Poe’s grave.

Once America's tallest structure, now a Baltimore landmark.