Category:Megastructures

• Megastructure (engineering)
• Megastructures (architecture) (unsolved)

A

• Alderson disk (engineering)
• Arcology (engineering)
• Artificial structures visible from space (unsolved)
• Artificial world (unsolved)
• Astronomical engineering (engineering)
• Atlantropa (unsolved)

B

• Bigger Than Worlds (engineering)

C

• Coruscant (unsolved)

D

• Death Star (unsolved)
• Dyson sphere (astronomy)
• Dyson–Harrop satellite (astronomy)

E

• Ecumenopolis (unsolved)

G

• Globus Cassus (engineering)
• Godwheel (unsolved)

H

• Halo Array (unsolved)

L

• Launch loop (physics)
• List of visionary tall buildings and structures (unsolved)
• Luna Ring (physics)

M

• Man-made structures visible from space (astronomy)
• Matrioshka brain (engineering)
• McKendree cylinder (unsolved)
• Megascale engineering (engineering)

N

• New Babylon (Constant Nieuwenhuys) (unsolved)

O

• O'Neill cylinder (unsolved)
• Orbital (The Culture) (unsolved)
• Orbital ring (astronomy)

P

• Primus (Transformers) (unsolved)

R

• Ringworld (unsolved)

S

• Shellworld (engineering)
• Skyhook (structure) (engineering)
• Space dock (engineering)
• Space elevator (astronomy)
• Space fountain (astronomy)
• Space gun (astronomy)
• Stanford torus (unsolved)
• Star lifting (unsolved)
• StarTram (physics)
• Stellar engine (engineering)

T

• Tipler cylinder (unsolved)
• Topopolis (unsolved)
• Transatlantic tunnel (earth)
• Trantor (unsolved)

U

• Unicron (unsolved)

X

• X-Seed 4000 (unsolved)