This abandoned church languishing for decades is now one man's passion project and subject of paranormal investigators.

This groundbreaking 16th-century map is known as "America's birth certificate."

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

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

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

John Tyler never got to be buried at his beloved home, but every pet his family owned since has been.

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'

What was once a vast naval cemetery is now home to nesting birds and pollinating bees.

One of the largest public housing complexes in New York once visited by Eleanor Roosevelt.

A cruise terminal that changes the atmosphere of Red Hook's industrial waterfront.

Where there’s manufacturing, there’s fire!

Nondescript building owned by ExxonMobil working on siphoning Greenpoint Oil Spill out of the ground.

2 square block factory in Greenpoint erected in 1936.

The factory that helped produce a dominant form of lighting before Thomas Edison.

Ornate "Renaissance Revival" style building.

Amid skyscrapers and traffic exists this unique aquatic ecosystem.

Where one of Greenpoint's "five black arts" was practiced.

Queen Anne style apartment house built in 1886.

A 9-story, poured concrete structure which was used as a glue factory with an indelible smell.

Fabrication workshop where the encasement for One World Trade Center's beacon was constructed.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

The home of one of America's most beloved fictional characters has become a real world landmark.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".