- A hidden spot in the Smoky Mountains where you can find fireflies that blink in unison
-A 70-year-old house made entirely out of paper
- A giant hole in the middle of the Turkmenistan desert that's been burning for four decades
- A Czech church built of bones
- The world's largest Tesla coil
- A museum filled with the genitals of every known mammal in Iceland
- Enormous concrete sound mirrors once used to detect aircraft off the English coast
- The self-built cathedral of an eccentric Spanish ex-monk
- A museum of Victorian hair art in Independence, Missouri
- An underwater sculpture garden off the coast of Grenada
- Galileo's amputated middle finger
- An island in the Canaries where people communicate by whistling
- The corpse of a 14th-century Japanese monk who mummified himself while he was still alive
And the list goes on and on and on ...