Bizarre Cavern.

This abandoned Victorian-style house was built in 1884.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A priceless collection of the Nation's cryptologic history.

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

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

A Civil War Museum with some notable medical antiques.

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

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

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

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.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

Walk through the history of American pop culture.

The "Sultan of Swat" once attended a school at the site of this baseball field.

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

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

Baltimore's first skyscraper may be home to the inspiration behind pulp fiction's most celebrated bird.

The trials and tribulations of marking Poe's grave.

Eighteen miniature death-scene dioramas.

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

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

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