This is a reputable place to buy bitcoins, and it serves a lot of global markets. Kraken is consistently finding itself in top-rated bitcoin exchange lists by all sorts of news outlets, and it was even the first bitcoin exchange listed on Bloomberg terminals.
Image source: url to replace
Pros: Reliable and respected, low transaction fees, and cryptographic communications
Cons: Not great for beginners, site isn’t as visually simple, limited payment methods