What Urban Exploration is and is Not
Urban exploration is about exploring the modern world, as it is. This includes infiltration (going where you are not really wanted or allowed) documenting abandoned and derelict places and being an actual explorer - with ethics.
Don't get the idea urban exploration is all about trespassing, goofing around and leaving your mark. That is entirely the wrong way to get started. Urban explorers have a respect for the locations they explore. "Take only photographs; leave only footprints" is the motto for people who are true urban explorers. We value history and we want to continue visiting the places as they decay and change.
Demolition is the sad fact of urban exploration - photograph history today because it may be gone tomorrow. This is very literally true! However, don't think of demolition as the enemy, this just makes you bitter. Change happens and we need change - everything can't just stay the same forever. So, be sad, but be glad you got the photographs while you could. Photographs of place now gone are treasures.
Rephotography
You can also get into rephotography. Take an old photo and photograph it again, included in the original location as it has evolved now. Look for rephotography for some really exceptional examples online, or on photography sites like Flickr.
Where to Explore
There are endless places to explore in the modern world. Not all urban explorers look at old buildings. There are industrial ruins, tunnels and drains and tall buildings where you can get photos of the whole city as you stand looking out over it (rooftopping). There are also ghost signs - faded signs from shops and advertising on the sides of buildings. There are ghost towns, if you can find much left of them. Urban explorers also like cemeteries - the old gravestones. You may be a rural urban explorer (like myself) and look at abandoned farm houses, barns, farm machinery, old cars too.
How to Explore
Before you begin exploring you will need some basic equipment: sturdy footwear, a map and a camera. These are the basics, you can certainly have more and will need more gear if you are exploring tunnels and other risky locations. But, for the average or new explorer you should stick to less risky places where you just need a good pair of boots to keep you safe.
Be aware, there are risks in most places. When exploring old farms I have been attacked by birds dive bombing me, I've made the mistake of walking in the flight path of a beehive and I worry about where I step each time I put my foot down. Always watch were you are stepping - you could find a deep trench under tall grass, an abandoned well which was not properly covered or marked or a big rusty nail which came from the house or something dumped there by someone else. If you explore consider yourself responsible for your own safety.
How do you Find Places to Explore
The question people usually as is how do I find places I have explored. I look for them! It really is that simple. You can get in the car and drive around and find places. I highly recommend you have someone else drive while you navigate and watch for signs of an old house. I have tried solo exploring while driving and it is not that great. The extra pair of eyes watching for old houses is great but - one of you needs to be watching the road as well. (No, I didn't actually drive off the road but I was not a safe driver on the road).
You can also check the Internet for locations. Not every explorer will share the locations they find. We can be cautious about giving away information when we don't know you or your intentions. Some people like to find abandoned places to salvage them for parts, some just want to find something to destroy and vandalize. Urban explorers don't vandalize, we don't leave trash on the site and we don't salvage parts or take anything (though I make an exception for garden plants because I like to save a living thing from dying in the weeds).
Pay attention to the news too. If you listen to the news or read the newspaper you will sometimes hear about a business, school or other location being closed or abandoned. A place up for sale is not really abandoned but may be interesting to explore. An old school or factory being closed and likely to be demolished is technically abandoned and really nice to explore and document in your photographs (before it's gone).
Read about local history. Find out about the old buildings, places and locations in your area. Chances are there are great places to explore right under your nose - you just haven't found out about them. What was the first house built in your town - is it still standing? What was the first industry or business in your town - where is it now? Visit your local museums and libraries, you will find a lot of local history there. Join your local historical society. Not only does this give you access to more resources but you will have a membership card to give you validation as a local historian. Keep your membership card with you when you explore. If someone doesn't like you being there you can at least prove your interest in history rather than being labelled a troublemaker.
What do you do After Exploring
What I like best, once I've scraped some of the muck off my shoes or boots and cleaned the rest of me up as well as I can, is a good coffee. I seem to pick rainy days to wander around taking photographs. Good for the photos but the leave me (and my camera) damp or right soaked through at times. I stop for coffee somewhere, visit the washroom to clean my hands and tidy up a bit.
The best part about after exploring is seeing your own photos and sharing them online (not all of them - I tend to pick the best and save the rest). I've been posting my photos to Flickr for a few years. I began a group for other explorers in my area. You can search the site and see if there are local explorers in your area. Share your photos and as you get feedback and get to know them you can begin asking them where they have been and what they have seen. Share tips, and locations. Let them know what you found when you were there. (Was there a dog, a dive bombing bird, an abandoned swing set in the back, something else interesting or useful to watch for?).
*Originally, I wrote this for h2g2 - The Hitchhiker's Guide to the Galaxy: Earth Edition ( the Unconventional Guide to Life, the Universe and Everything). But, they don't want illustrations added to the posts unless you have approval from a peer review, or more credentials from past work on the site. I don't know if I want to write for their site on top of the work I'm already doing so I'm just going to keep the post for here instead. *
But, the book I most remember is the very first of her books I ever read: The Eagle and the Raven. It was a book about the British Queen Boudicca. At that time I just had to know more about this ancient Queen who commanded an army and sacked a city. Her husband was killed, her daughters molested and yet Boudicca fought on. Rome had to step up it's game to defeat the Celtic Queen.