Secret gardens just a few miles from downtown Atlanta.

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

The prototype for all Nazi concentration camps.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Twenty-eight years after this local landmark was washed ashore by hurricane Hugo, it was washed away by hurricane Irma.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

The world's largest fire hydrant is supposedly tornado-proof.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

America's post-nuclear-attack chambers of Congress.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The world's largest fully steerable radio telescope.

The beauty of urban decay, hiding some dark secrets.

One of the oldest living oak trees in the Southeast.