Introducing the Green Fairy to her fawning masses.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

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

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

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

Giftshop catering to cryptozoologists and anyone with a sense of humor.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

The wooded estate of the Forest Service employee responsible for D.C.’s cherry blossom trees.

Endless rows of boxes of paper records line the hallways of the archaic federal facility where guns are traced.

Remains of a historic fountain that was mysteriously lost in the demolition of a D.C. traffic circle.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

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

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

A piece of outsider public art accompanied by a strange urban legend.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

A monument to the sheer amount of oddities one can collect over a lifetime.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.