I, too, enjoy walking through graveyards, especially old ones. The best epitaph I ever saw was this one:

Behold, my friend,

As you walk by

As you are now, so once was I.

As I am now so you shall be.

Prepare for death, and follow me.

When you're standing in a graveyard and you come across that one, the hair on the back of your neck stands up. Also, along with golf courses, graveyards have the best kept grounds for walking, without the fear of getting hit in the head with a golf ball.