Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

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

A 5,000-year-old city in Peru holds the remains of a stunning set of astronomically-aligned pyramids.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

Cathedral carved out of salt, located a mile below the earth's surface.

An explosion of natural color known as "the river that ran away from paradise."

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

One of Chile's most active volcanoes is riddled with beautiful caves.

World's largest open air theater spans 24 acres and hosts a massive recreation of the Passion of Christ.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

One family's mission to exemplify sustainability took on a whole new life as a surprisingly beautiful home.

Guitar made of trees, dedicated to a man's lost love.

An 80-year-old house built out of newspapers.

Museum dedicated to awful artwork.

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

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

A museum dedicated to exhibiting remarkable outsider art.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

A Rodeo for Prisoners.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

Where animatronic singing fish go to retire.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.