Does anyone know what type of plant this is?

[AgentDrex]

Here is a wider view of the plant:

 

[lizheaemma]

Deciduous Holly

Ilex verticillata, Winterberry Holly

 

[Sonoma]

Maybe you should read this before eating them..................

Berries and Seeds | The Children's Hospital of Philadelphia

 

[PASM]

+1 Don't eat it.

 

[Ron Evers]

Your second pic has me further convinced it is Highbush cranberry (Viburnum trilobum). Here is a shot of one from our balcony: