With keys in hand and a spirit of adventure, fasten your seatbelt and head for Belfast, Northern Ireland's largest city. Tour around its attractions before heading on a scenic drive through the picturesque rolling hills north to Derry, which lies next to the Foyle estuary, near the open ocean. From Derry you can ride out to visit landmarks such as the Inishowen Peninsula, the Giant's Causeway, the North Antrim Coast, the Northwest Passage and the Sperrins, and Glenveagh National Park in Donegal. Whatever is on your itinerary for Northern Ireland, check it off in a Sixt rental car!