Asking $7,895,000, this iconic Upper East Side home has another stunning surprise in the form of a curvaceous, tree-shaded ...

The so-called “Bubble House,” a 1969 modernist townhouse at 251 E. 71st St., has hit the market for the first time in half a ...

The block of East 71st Street between Second and Third avenues looks like any other street in the area—townhouses line the stretch. Except for when you get to the home at 251.