The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Town of spiritualists and mediums in Florida.

An oddities shop that dabbles in the deathly and beautiful.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

The world's largest fully steerable radio telescope.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The seamy, underground secrets of Portland's criminal past.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

These strange large stones served as a campsite and lookout post for generations of Native Americans.

This scented city oasis was a labor of love.

This nine-story building can be played like an instrument.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Walk the whole Mississippi River!

Home to drunken tower-climbing goats... seriously.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Amazing pre-Civil War ruins alongside a shallow, rocky river that hosts beautiful (but endangered) lilies.

Bad farming practices caused this unnatural natural wonder.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

The beauty of urban decay, hiding some dark secrets.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Former meatpacking facility turned vertical farm and sustainable business complex.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.