A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

This coffee shop lies hidden beneath a historic church.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

London's smallest police station is barely the size of a phone booth.