I thought it might be good to try to brainstorm by using word association.
A few words:
Love
Light/Dark
Solace
Innocence
Smile
Silence
Grey
Nature
No Time
Right
Night
Expectations
Dreams
Tradition
Two Roads
Illusion
Childhood
Waiting
No Way Out
Obsession
I Can't.
All That I Have
I Give Up
Sleep
Curiosity
Discovery
Nostalgia

(with help from here

Here's a couple i've thought about a little bit more. 



Solitude

Untitled
Taken by me

Finding people who have seaked out silence from the world, isolation. But in a more peace & quiet way rather than sad. I think it is a simple concept. Alone.

Leave me alone
https://www.flickr.com/photos/matosesfoto/5392694582

Alone
https://www.flickr.com/photos/madiator/5523389060

                                                                           Curiosity

curiosity~ hcs
curiosity.
CURIOSITY......

Links: 
http://www.theguardian.com/artanddesign/gallery/2010/jan/29/john-bulmer-photographs-north

Documentary photography
traditions - people watching bonfire displays, capturing astonishment, a moment of wonder. Lewes bonfire
https://www.flickr.com/photos/stevemarland/sets/72157631712671679

Beeching & the closing of the railways
Guildford-Horsham line - cransleigh
lewes to uckfield http://www.blbgroup.co.uk/assets/images/Lewes_1.jpg
http://www.crjennings.com/The%20Remains%20of%20Britains%20Steam%20Age%20Railway/101-151/Rems%20101.html
barcombe http://s0.geograph.org.uk/photos/22/34/223449_d2daba99.jpg