A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

A graveyard of bathyspheres and diving bells paints a weirdly accurate account of ocean exploration's rickety history.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

Dedicated to the history of the health sciences.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

Dental instruments from the illustrious history of American dentistry.

Georgia's first brewery is also one of its oldest surviving buildings.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

One of the best places in Florida to spot rare, carnivorous pitcher plants.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

A piece of outsider public art accompanied by a strange urban legend.