airplane, alexandra breckenridge, an asteroid, asteroids, ball, big ben, clouds, continents, darkness, david fuhrer, dead, dead sistem, earth, eiffel tower, episode 15, fog, gaz giant, land, landscape, leaning tower, light, mig- 15, nebula, open spaces, plane, planet, red-hot planet, ring, rings, saturn, sci fi, season 5, shadow, ship, sights, sky, space, sphinx, star, statue of liberty, sun, surface, sydney opera house, taj mahal, the pyramid of cheops, the walking dead, tourism, travel, universe, walking, world