Wildcard · answer list
All answers to “Name something you find underground”
190 accepted answers, from “Ant colony” to “Yucca Mountain”. The level of each one is hidden: play to see how deep it sinks.
A
- Ant colonyalso Ants
- Aquifer
- Atlantic Wall
B
- Badger
- Badger sett
- Bag End
- Basement
- Basilica Cistern
- Bazalgette's sewers
- Bedrock
- Beetle grubalso Grub
- Beijing Underground City
- Boring Company tunnel
- Boston T
- Boulby mine
- Bucharest Metro
- Budapest Metro
- Bulbs
- Bunker
- Buried treasure
- Burlington bunker
C
- Cabinet War Rooms
- Cables
- Cappadocia underground cities
- Carlsbad Caverns
- Carrot
- Catacombs
- Cave
- Cave of Altamira
- Cellar
- CERN
- Chamber of Secrets
- Channel Tunnelalso Chunnel
- Chauvet Cave
- Cheyenne Mountain
- Cheyenne Mountain Complex
- Churchill War Rooms
- Cicada nymph
- Cloaca Maxima
- Coal
- Coffin
- Cold War bunker
- Copper
- Core
- Crossrail
- Crypt
- Cu Chi tunnels
D
- Derinkuyu
- Derinkuyu underground city
- Diamonds
- Dinosaur bonesalso Bones
- Doomsday vault
- Drain
E
- Earthworm
- Edinburgh Vaults
- Eisriesenwelt
- Elizabeth line
- Eupalinos
F
- Fatberg
- Fort Knox
- Fossil
- Fox den
- Fraggle Rock
G
- Gas pipes
- Glasgow Subway
- Gold
- Gotthard Base Tunnel
- Graboid
- Gran Sasso
- Granite
- Grave
- Graveyard
- Greenbrier
- Greenbrier bunker
- Gringotts
H
- Hades
- Hang Sơn Đoòng
- Hell
- Hellfire Corner
- Helsinki Underground City
- Hitler's bunkeralso Führerbunker
- Hobbit hole
- Homestake mine
- Hypogeum of Ħal Saflienialso Hypogeum
I
- Ice cave
- IceCube
- Iron Mountain
- Iron ore
K
- Kamioka
- Karez
- Kaymaklıalso Kaymakli
- Kelvedon Hatch
- Kola Superdeep Boreholealso Kola Borehole
- Krubera Cave
L
- Lærdal Tunnel
- Large Hadron Collideralso LHC
- Lascaux Cave
- Lava
- Lava tube
- Lava tubes
- Lechuguilla Cave
- Limestone
- London Undergroundalso Tube
M
- Maginot Line
- Magma
- Mammoth Cave
- Mantle
- Mexico's Cave of Crystalsalso Cave of Crystals
- Mine
- Mines of Moria
- Mir mine
- Mole
- Montreal's RESOalso RESO
- Moria
- Morlocks
- Mormon Granite Mountain Records Vaultalso Granite Mountain Records Vault
- Moscow Metro
- Mount Weather
- Mponeng gold minealso Mponeng
- Mummy
N
- Naica
- Naica Mine
- Napoli Sotterranea
- Nevada Test Site
- New York subwayalso NYC Subway
- Newgrange passage
- Nuclear bunker
- Nuclear test site
- Nuclear waste
O
- Oil
- Onion
- Onkalo
P
- Paris Catacombs
- Paris Métroalso Paris Metro
- Paris sewers
- Peanut
- Pharaoh's tomb
- Pipeline
- Pipes
- Pirate treasure
- Postojna Cave
- Potato
- Puerto Princesa Underground River
Q
- Qanat
R
- Rabbit
- Rabbit burrowalso Warren
- Raven Rock
- Roman aqueduct
- Roman cisterns
- Rome's catacombs
- Rootsalso Tree roots
S
- Salt
- Salt mine
- Sandworm
- Sanford Underground Research Facility
- Seattle Underground
- Seeds
- Seikan Tunnel
- Sewer
- Siegfried Line
- Škocjan Cavesalso Skocjan Caves
- SNOLAB
- Son Doong
- Spring
- Subwayalso Metro, Underground
- Sudbury Neutrino Observatory
- Super-Kamiokande
- Svalbard Global Seed Vault
T
- Termites
- Time capsule
- Tokyo Metro
- Tomb
- Treasure
- Truffle
- Tulip bulbs
- Tunnel
U
- Udachnaya
- Underground City Montreal
- Underground Hospital Jersey
- Underworld
V
- Veryovkina Cave
W
- Waitomo Glowworm Cavesalso Glowworm caves
- Waste Isolation Pilot Plantalso WIPP
- Water pipes
- Water table
- Well
- Wieliczka Salt Mine
- Worm
Y
- Yerebatan Cistern
- Yucca Mountain
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