The estuary is one of 28 that the Government has designated as nationally significant.

The river is nationally significant for its many coastal plain plant species.

He's been covered by multiple nationally significant publications and television programs on the topic.

In 2011 the Gallery will present a number of nationally significant exhibitions.

This includes a catalogue of rose gardens considered nationally significant.

These features have been described as nationally significant by the environmental agency.

Actually, there's plenty of research remaining to be done, even about nationally significant architects.

Larger forests tend to be nationally significant because the values they provide are becoming more rare.

Many other streets are named after locally or nationally significant people.

The organization had serious financial problems by the fall of 1931 and was never significant nationally.