peculiarity
distinctive feature
distinguishing characteristic

Not to say that you do have certain distinctive features.

It is perhaps one of the most distinctive features on the lake.

Though similar in size and shape, each had distinctive features.

This is a distinctive feature of the English legal system.

Distinctive features inside and out increased the price by about $1 million over the original budget.

Each nature reserve and national park has its distinctive features.

Another distinctive feature of the program is the language requirements.

A distinctive feature of the system was support for Coaching.

The lakes are by far the city's most distinctive feature.

The most distinctive feature of the building, however, is the main staircase.