The word “haunt” comes from the Old French word “hanter,” which means to visit often.
Tall, pointed roofs and towers like these are common in Victorian and Gothic style houses, which is why many haunted-house pictures use them.
The word “ghost” comes from the Old English word “gast,” which means spirit.
Halloween has roots in Samhain, an ancient Celtic festival that is more than 2,000 years old.
Spiders make silk for their webs from special organs called spinnerets.
Bats are the only mammals that can truly fly.
Many bats use echolocation, which means they find their way by listening to echoes of their own calls.
The Moon is about 384,000 km (238,000 miles) from Earth on average.
A full moon on Halloween night is rare, happening only about once every 19 years.


