Mysterious monolith seen outside of Las Vegas

(2:17)

Monolith mystery solved

(29)

The UnXplained: \

(5:40)

Wild theories spread about mysterious monoliths appearing across the globe

(2:9)

Mysterious monolith appears in Colorado

(37)

The Man Who Took Down the Monolith in Utah

(1:33)

Mysterious monolith discovered deep in the desert

(3:24)

Mysterious Monolith's appeared around World (explained)

(40)

The Utah Monolith, What It Means, Why It Matters, and Whether It's Aliens

(3:56)

The Mystery Of The Utah Monolith

(22:29)

Utah monolith mystery explained

(3:52)

Monolith in Utah Desert Has Mysteriously Disappeared

(1:36)

Third Mysterious Monolith Spotted, Then Destroyed in California

(1:39)

What's Happening With All These Monoliths?

(6:39)

Colorado homeowner confused when mysterious monolith appears

(1:49)

Mysterious monolith raw footage

(21)

How they got there? Mystery metal monoliths pop up around the world

(1:38)

Mysterious monolith appears near ancient site in Turkey

(39)

Mysterious Monolith Appears On Romanian Hillside | NBC News NOW

(1:5)