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

Built by the patriotic residents of Boonsboro in a single day.

Ship skeletons haunt Baltimore's waterways.

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

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

This abandoned sea fort has become an accidental bird sanctuary.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

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

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

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A museum dedicated to exhibiting remarkable outsider art.

This free, take-a-book shop seems like a trick but isn't.

A priceless collection of the Nation's cryptologic history.