Malcolm X's house during his most formative years faces an uncertain future.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

Beautiful steampunk ghosts of early Massachusetts.

The site of Paul Revere's historic two lantern warning.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

Huge masonic hall in Philadelphia with lavishly themed rooms.