I spent 4 days in Athens, Greece. Here are 10 things that were worth it and 5 I'd skip next time.

Hannah Docter-Loeb

• I recently spent four days in Athens, Greece, while traveling around Europe. 
• Stumbling upon the National Garden was a great treat, and I loved learning about the Acropolis. 
• On the other hand, I'm not sure the Roman Agora or Hadrian's Library are worth a visit. 

In October, I traveled to Athens, Greece, for the first time since I was 18 months old. 

I spent...