| ★ |  15 Things You Never Knew Were UNDERGROUND | | 366.9K | Estados Unidos | |
| 11 |  10 Unearthed Artifacts That Shouldn’t Exist | | 425.8K | Estados Unidos | 90 |
| 7 |  15 Places HIDDEN INSIDE Mountains | | 203.2K | Estados Unidos | 91 |
| 13 |  15 Forgotten Places Hidden in the Desert | | 155.2K | Estados Unidos | 90 |
| 10 |  MOST CLASSIFIED and Secret Buildings | | 130.7K | Estados Unidos | 91 |
| 6 |  5 Secret Rooms Found Inside Famous Buildings | | 112.7K | Estados Unidos | 91 |
| 16 |  HIDDEN ROOMS - Finally Opened After Centuries | | 90.8K | Estados Unidos | 90 |
| 17 |  Ancient Traps you DO NOT want to test | | 89.4K | Estados Unidos | 90 |
| 20 |  5 STRANGE Roman Buildings you didn't Know Existed | | 76.9K | Estados Unidos | 89 |
| 15 |  Secret Rooms INSIDE World Famous Statues | | 68.3K | Estados Unidos | 90 |
| 14 |  Mysterious SINKHOLES in Russia - what are they? | | 62.3K | Estados Unidos | 90 |
| 8 |  TOP 5 Sinkholes That Are STILL Growing | | 55.0K | Estados Unidos | 91 |
| 1 |  10 Hidden Underground Worlds - you didn't know existed | | 51.2K | Estados Unidos | 95 |
| 12 |  15 Scary Secrets About Ancient Rome They Tried to Hide | | 45.8K | Estados Unidos | 90 |
| 9 |  DARK SECRETS - hidden in landmarks | | 38.0K | Estados Unidos | 91 |
| 5 |  Egypt is still hiding SECRETS from the world | | 35.4K | Estados Unidos | 91 |
| 3 |  TOP 15 Things Humans Were Never Meant To See | | 29.5K | Estados Unidos | 91 |
| 18 |  15 Places Where People Live BELOW Sea Level | | 25.8K | Estados Unidos | 90 |
| 4 |  20 Secret Infrastructure Projects | | 14.7K | Estados Unidos | 91 |
| 2 |  Hidden Underground Structures - below the Earth | | 13.4K | Estados Unidos | 93 |
| 19 |  20 DEEPEST Mine Shafts in the world | | 13.2K | Estados Unidos | 89 |