This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

More gold than anywhere else, ever.

A hidden oasis just two minutes from downtown Atlanta.