Step back in time at some of Scotland's most famous attractions, including Edinburgh Castle, Stirling Castle and Urquhart Castle. For US$36 (£23.20) per adult, a 3-Day Summer Explorer Pass (valid over a 5-day period) grants visitors access to more than 75 sightseeing destinations.
Or spend seven days (valid over a 14-day period) touring the area for US$60 (£30.40) per adult.
Set atop a volcano, Edinburgh Castle features panoramic views of Scotland's capital city. Pay a visit to Stirling Castle, the former home of Scottish kings, queens and nobles; or venture to Urquhart Castle, a mighty fortress that overlooks the waters of Loch Ness.
Click here for a full list of places to visit.
Travelzoo Tip: Plan the perfect Scotland vacation with these travel tips and freebies.