Since Dan Blankenship originally opened up Borehole 10X in his quest to find the Oak Island treasure, it has been the site of much excitement and speculation. Those lucky enough to have peered down into its depths feel like they are gazing down into the centre of the earth.

• Blankenship trapped inside Borehole 10X
• Media speculation – 1970s
• Excavation gallery I
• Excavation gallery II
• Images from inside Borehole 10X
• The severed hand of Borehole 10X