Intangible assets are identifiable non monetary asset without physical substance.By physical substance you mean something that exists physically and is tangible.From above it is clear that Goodwill, Franchise and patents all don't have physical existence.So they are all intangible assets.Therefore, your choice is land.
International standard that deal with all the reporting related issues of intangible assets is IAS38.
You might find this link quite useful
http://www.iasplus.com/en/standards/ias/ias38
