Quran — The last ayah (verse) from the sura (chapter) An-Najm: "So prostrate to Allah and worship.
Photo Credit: By بلال الدويك - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=15330578

Angel Gabriel and Muhammad — Muhammad receiving his first revelation from the angel Gabriel. From the manuscript Jami' al-tawarikh by Rashid-al-Din Hamadani, 1307, Ilkhanate period.
Photo Credit: By Unknown - http://www.zombietime.com/mohammed_image_archive/islamic_mo_full/, Public Domain, https://commons.wikimedia.org/w/index.php?curid=12046943

The Prophet's mosque — Al-Masjid an-Nabawi ("the Prophet's mosque") in Medina, Saudi Arabia, with the Green Dome built over Muhammad's tomb in the center
Photo Credit: By Javierfv1212 - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=12047220

Early Muslim Conquests — Conquests of Muhammad (green lines) and the Rashidun caliphs (black lines). Shown: Byzantine empire (North and West) & Sassanid-Persian empire (Northeast)
Photo Credit: By Javierfv1212 - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=12047220

Muhammad's Arabia — Main tribes and settlements of Arabia in Muhammad's lifetime
Photo Credit: By Slackerlawstudent - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3453259

Tomb of Muhammad — located in the quarters of his third wife, Aisha
Photo Credit: By Aiman titi - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=14494092

Seal of Muhammad — Reads محمد رسول الله (Muhammad rasul Allah), meaning "Muhammad, messenger of God"
Photo Credit: By Raymond1922A - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=27788629

Heraclius — cropped - Constantinople mint, 5th officina. Struck 610-613. Helmeted and cuirassed facing bust, holding cross
Photo Credit: By Classical Numismatic Group, Inc. http://www.cngcoins.com, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=71050340

Shrine of Abu Ubayda — Jordan Valley, Jordan
Photo Credit: By http://www.travbuddy.com/Nomad9889 - http://www.travbuddy.com/travel-blogs/32880/photos/view/8/0, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=10213776

Icon of Abu Ubaidah ibn al-Jarrah —
Photo Credit: By Omaislam - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=41823075

Persia circa 633 — Map of the Sassanid, Byzantine and Muslim borders
Photo Credit: By Javierfv1212 and edited by HistoryofIran. - http://commons.wikimedia.org/wiki/File:Pre_Islamic_Arabia.PNG, Public Domain, https://commons.wikimedia.org/w/index.php?curid=26144272