Uncovered in 1987 during a scheme to landscape an area of the the Great Orme, the copper mines discovered below the ground represent one of the most astounding archaeological discoveries of recent time. Every year a bit more is excavated. Great place for school groups

• 1.5 miles - about 7 mins - [google map]
• 1.3 miles - about 28 mins - [google map]
• http://www.greatormemines.info/

Begun in 1277, this was the second of King Edward I's great Welsh fortifications. A protected river dock forms one side of the defences of this concentrically planned castle, dominated by a distinctive diamond-shaped inner ward.

• 16.6 miles - about 30 mins - [google map]
• 17.0 miles - about 5 hours 41 mins - [google map]
• http://cadw.wales.gov.uk/daysout/rhuddlancastle/?lang=en

Begun in 1277, one of the first castles to be built in Wales by King Edward I. Its most impressive feature is a solitary round tower, isolated from the rest of the inner ward. It features in Shakespeare's Richard II.

• 32.9 miles - about 44 mins - [google map]
• 32.4 miles - about 10 hours 55 mins - [google map]
• http://cadw.wales.gov.uk/daysout/flintcastle/?lang=en