This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This functioning mill was built in the 1970s using parts from several other West Virginia mills.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

This abandoned train tunnel has been the subject of countless ghost stories for years.

Home of a 28-foot tall stalagmite known as the War Club.

Two insane asylum bodies embalmed by an amateur.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

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

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

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

The tallest waterfall in West Virginia.

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

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

A warehouse for all of your architectural details.

A curious blend of taxidermy, antique tools, creationism, and a purported antediluvian rock.

A mysterious and endangered parasitic herb from the California desert.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This historic cliffside mansion uses a natural cave for air conditioning.

This museum presents a dogged pursuit of 500 years of veterinary history.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

The highest point in Wisconsin is capped by two towers that are not as mythic as Tolkien's but provide much better views.