Public works, functional and otherwise.

Large objects commemorating events, disputes, or available grant money.

Institutions of preservation, some of which preserve other institutions.

Structures you can enter, several of which you can also sleep in.

Offices, bureaus, and departments operating on schedules of their own.

Retail environments with unusual load-bearing decisions.

Phenomena that were already occurring when someone added a parking lot.

Places of worship, reflection, and novelty architecture.