3/4-scale model of the White House in Atlanta, Georgia.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

An impressive collection is dedicated to the legendary beast.

The world's first time capsule lies behind a welded steel door in Atlanta.

Though nicknamed the “Russian Freighter,” this ship was actually sunk off the coast of Pensacola by the U.S. government in a top-secret operation.

A unique collection of diving equipment spanning antiquity to the present day.

The 44,000-ton aircraft carrier was purposely sunk to create an artificial reef teeming with life.

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

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

VW heaven in the backwoods of Dade City, now gone.

When this test site was abandoned, they didn't even bother to take the rocket with them.

The only Florida state park with publicly accessible caves.

An abandoned water sports stadium that has become a haven for graffiti and decay.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

An underwater city for the dead.