how to reach these effects?Any experience?

[yoku]

Hello guys,here are some sample effects from internet.I do like them,amazing,special.
Do anybody here has the experience to make similar effects?Your retouched pics will be appriciated.

 

[480sparky]

What 'effect'? Taking images that are too contrasty? Have blown-out highlights and shadows so dark they show no details?

BTW, posting images that aren't yours is a forum no-no.