Quite simply the largest tree in the world (by volume).

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

This giant shopping mall still holds signs of its automotive past.