How frustrating, to be so close to a major national landmark and not see anything.

In 1974 the garden was named a national historical landmark.

The following year, the area was designated a national natural landmark.

And though named a national landmark in 1976, it kept crumbling.

In 1960, the house was designated a national historic landmark.

It is a registered national landmark protected by the state.

Silver City's two square miles are listed as a national landmark.

It is a great national landmark of universal symbolic power.

South Pass was designated a national historic landmark in 1961.

A national historic landmark, it is open to the public by appointment.