This little blue house pokes out over the campus of UC San Diego, seven stories high.

San Diego's most historic and haunted home.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

The rocks in this arid basin leave trails of movement behind them.

One of the first hotel rooms in a pod.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The summer home of the largest colony of bats in the world.

Thousands of bats stream out of caves every night on the edge on Thailand's second largest park.

This three-chambered cave is the only protected natural bat hibernaculum in Quebec.