This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

Tiny observatory made big contributions to the study of the Earth's motion.

An unusual sculpture, an interesting history, in a strange place, for a good cause.

A relic of FDR's brief foray into utopian urban planning.

A historic cemetery filled with quirky faux wood art and unique tombstones.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

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

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

One of the only memorials dedicated to journalists who died in combat.

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

Three abandoned missile silos are hiding in plain sight behind a suburban development in Maryland.

This 1830s store is believed to be the site of Harriet Tubman's first stand.

Two dozen pinball games hidden away inside a most unlikely location.

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

A hidden alley in urban Baltimore is a haven for graffiti artists.

This abandoned sea fort has become an accidental bird sanctuary.

Ship skeletons haunt Baltimore's waterways.

The loneliest island in New York.

The abandoned hospital whose elaborate ghost stories cover up the dirty truth - an uneventful sanitation issue and other mundane reasons for its demise.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

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

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