All that's left of the quintessential "cabin in the woods."

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

William Faulkner kept his beloved estate wild and untamed.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

This historic general store still operates much as it did in the late 1800s.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

A museum dedicated to man's boldest venture.

This spot in St. Louis, marked with a simple sign, has seen more pro baseball than just about anywhere else in the world.

A remarkably opulent mansion with a tragic history.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

Giant granite rocks standing end-to-end like a train of circus elephants.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

This abandoned prison castle has become an imposing gallery of graffiti art.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

European castle ruins in an American state park are actually the product of death and grief.