The US Copyright Office limits protection in architectural works to "structures that are habitable by humans and intended to be both permanent and stationary, such as houses and office buildings and other permanent and stationary structures designed for human occupancy," so a literal reading of that would mean the grandstand could be protected but the track itself couldn't.
The design of the track, as a drawing, could be protected as visual art.
The author of a creative design is the owner of the copyright automatically.
Copyright someone elses design
If the design meets the minimum requirements for copyright protection, yes.
Aspects of the design that are entirely your original work, such as a piped or carved design, may be protected by copyright as a work of visual art; the US Copyright Office has asserted that permanence is not required for protection.
Yes, if the web design legally belongs to you. Add © copyright YEAR NAME OF COPYRIGHT HOLDER to the bottom of each page of the website. This will signal to honest people that the web design is copyrighted and may not be used elsewhere.
If you control the copyright, anywhere. If you don't control the copyright, and don't have a license, nowhere.
Architectural works are protected by copyright.
Ideas cannot be protected by copyright, only the expression of the ideas.
Roger T. Hughes has written: 'Hughes on trade marks' -- subject(s): Trademarks 'Hughes on copyright and industrial design' -- subject(s): Copyright, Design protection, Design, industrial, Design,Industrial
Absolutely. It's automatic once the design is fixed in a tangible medium.
The Australian Copyright Council website has an excellent page devoted to graphic design issues; see the link below.
The specific law varies from country to country. In the US, it is the Copyright Act 1976; in the UK, it is the Copyright, Design, and Patents Act 1988.