A mysterious tunnel hidden in the shadows of a colorful, historic sanctuary.

This natural spring not only claims to heal the wounded but it has also been willed to God.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

Local legend says that whoever burns down this 2,000-year-old tree will only have seven days to live.

This imposing tower named after the mythical sword of King Arthur is considered the tallest freestanding climbing wall in the world.

A peculiar family mausoleum built by a German nobleman captivated by the occult.

This remote location of this Moorish stronghold means it doesn’t attract many tourists—and that it still has the aura of fear and bravery of the 1300s.