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

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

This hidden treasure provides a charming access point along the south side of Baker Park.

According to local history, this cast-iron canine was nearly melted down for bullets during the Civil War.

A Civil War Museum with some notable medical antiques.

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

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

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

A former pillar of the Black community in Ellicott City.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

A remote horde of architectural treasures fit for Indiana Jones.

A priceless collection of the Nation's cryptologic history.

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

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

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

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

A miniature city within a city, complete with traffic signs, signals, and streets to teach Baltimore's youth traffic safety laws.

Ship skeletons haunt Baltimore's waterways.

This abandoned sea fort has become an accidental bird sanctuary.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.

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

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

This Asian-inspired tower in a lush urban park provides spectacular panoramic views of Baltimore.