Using a live camera into the website is definitely a remarkable idea to advertise your business. It doesn't matter whether it is a website of a seaside resort, an area services, a website of a guesthouse or a chair lift, or even a blog specifically for tourism. A live streaming cam view will definitely give a positive impact on the website traffic. Moreover, the scene from the live camera, such as California (USA):
You can shoot whatever you want. You're basically limited only from your own will and... General Data Protection Regulations. Without much effort you can use a live camera into the website.