The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Home to items never before seen by the public.

Send a postcard while vacationing with Satan.

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

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

A flooded Mexican cave that hides a river beneath the water.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

Smack in the midst of coal country, this collection provides a peoples' history of Appalachian miners' heritage.

In an odd geographic anomaly this city borders two different states on opposite sides of town.

A humble plaque marks the site where the country music legend was found dead in his Cadillac.

This university transit system is a 1970's vision of the future.

A monument marks the location of the first successful steamboat demonstration.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

The world's largest fully steerable radio telescope.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

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

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

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

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

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