Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

These flying foxes dangle from the trees around the library like fuzzy black fruit.

A well-studied colony of endangered bats roosts in this abandoned Victorian Gothic mansion.

An unfinished rail tunnel that has since been used to house cheese and bats.

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

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

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

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

The middle finger of modernity.

The strange “kaiju” of Lake Imba that allegedly killed over a dozen men with a single strike of lightning.

The remains of the great moral philosopher reside in a university in London.

The tomb of one of the greatest travelers in history.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

The quiet field that inspired one of the most famous songs of all time.