Nomadic Maps provides a responsive web interface for users to add markers with images and embed their own youtube videos. You can create your own specific map from any point or corner of the world and start customizing it with travel routes - pictures - videos and drawings. Make it look even more unique by choosing custom markers that fits the event.
Check back for updates, once this great site goes live.
screenshot nomadicmaps 2018 06 03 19 22 18