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.

Walk through the history of American pop culture.

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

A museum dedicated to exhibiting remarkable outsider art.