The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

An underwater city for the dead.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

The remnants of sheer survival in Dublin's monastery district.

Home of Dutchy, an exhumed Confederate statue that was once torn down by an angry mob for looking stupid.

An elegant Georgian cemetery best known for the grave of the little girl whose murder on Christmas Day remains unsolved.

FDR hoped to find a cure for polio in this Georgia town's warm springs.

Shaped like a big top tent, this memorial honors the victims of a terrible train wreck.

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

This protected reserve is home to a rare and beautiful species of flower.

Coca Cola may be "the real thing" but its inventor, buried at this Georgia gravesite, called it a "valuable brain tonic."

An eerie smiling woman looms above the granite tombstones.

The site where Confederate president Jefferson Davis was defeated has been marked with a bust... that leaves that part out.

Two flush headstones mark the only known graves to be embedded in an airport runway.

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

A massive tribute to this small county's top agricultural product.

Oldest and rarest examples of telecommunication in the world.

HFH's slum simulation is either a noble recreation of poverty or a cringeworthy attempt at same.

Death comes to anyone who dares to touch this concrete column.

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

The world's largest collection of ticks.

Giant instrument-shaped home in Fayetteville, Georgia.