Human features are those things created by man.

http://www.nasa.gov/images/content/153212main_turnaround.jpg

Physical features are those things created by nature.

http://www.wellingtonpark.tas.gov.au/common/gallery/landscape/41_564.jpg

Which is this human or physical?

http://www.nyc.gov/html/dcas/images/buildings/man_22reade.jpg

Which is this human or physical?

http://toxics.usgs.gov/photo_gallery/photos/adrs/adrs11_lg.jpg

Which is this human or physical?

http://www.nps.gov/slbe/planyourvisit/images/maple_beach_forest_556x400.jpg

Which is this human or physical?

http://www.harrisburgpa.gov/visitors/centerCity/images/cityGovCenter_322x470.jpg

Which is this human or physical?

http://vulcan.wr.usgs.gov/Imgs/Jpg/BeaconRock/beacon_rock_hamilton_mountain_2003.jpg