coolthingoftheday:The Shell Grotto is an underground passageway that was discovered in 1835 in Kent,
coolthingoftheday:The Shell Grotto is an underground passageway that was discovered in 1835 in Kent, England. Its winding corridors are adorned with a mosaic of over 4.6 million shells, and to this day, archaeologists have no idea what its purpose was.It’s purpose was just Pretty -- source link