Guess me : I am the world's greatest traveler. I have been transported by camel, dog sled, pony express.................

Question

I am the world's greatest traveler. I have been transported by camel, dog sled, pony express, bicycle ,train, steamship, automobile/car, airplane, airship, and rocket. I have portraits of presidents, kings, queens, princes, princesses, shahs, sultans, tribal chiefs, adventurers, explorers, patriots, martyrs, inventors, pioneers, artists, musicians, architects, poets, aviators, dramatists, novelists, painters, athletes, cardinals, saints, and sinners.
I have pictures of foreign beaches, rivers, lakes, sounds, waterfalls, geysers, mountains, monuments, castles, temples and ruins of temples, missions, bridges, harbors, docks, locks, locomotives/trains, balloons, rockets, zeppelins, windjammers, native canoes, modern seaplanes, and the world.

What am I?

Answer 1

Money. It's been used for exchange over the years. From hands to hands, it has moved. Portraits of reputable people are on the the face, and 'wow' places are at the back.

Answer 2

I am a postage stamp