"In the highest region of Vaikuntha, is the spiritual planet called Krishnaloka. It has three divisions-Dwarka, Mathura and Goloka. Sri Goloka, the highest of all, is also called Braja, Goloka, Svetadvipa and Vrindavana." (Caitanya Caritamrita Adi 5. 16-19)

The greatness of Vrindavana can be understood by the very fact that it is the highest of all three divisions of Krishnaloka. Even Sri Krishna, The Supreme Personality of Godhead made Vrindavana his supreme abode. Since Sri Krishna is worshipable, his dhama, Vrindavana is worshipable and therefore, the dust of Vrindavana which is no different from Krishna, is also worshipable.

"Because Vrindavana dust is not different from Krishna, when you take a little dust from Vrindavana Dhama, it means you are taking dust from Krishna's lotus feet." (Srila Prabhupada Tape 75/89)

"The dust of Govinda's lotus feet is so sacred that even Brahma, Siva, and the goddess of fortune Rama take the dust on their heads to dispel sinful reactions." (Srimad Bhagavatam 10.30.29)

"The dust of Krishna's lotus feet, which is the source of holiness for all places of pilgrimage, is worshiped by all the great demigods. The principal deities of all planets are engaged in His service, and they consider themselves most fortunate to take the dust of the lotus feet of Krishna on their crowns." (Srimad Bhagavatam 10.68.37)

"As soon as Akrura entered the boundary of Vrindavana, he saw the footprints of the cows and Lord Krishna's footprints, impressed with the signs of His sole, the flag, trident, thunder-bolt and lotus flower. Upon seeing the footprints of Krishna, Akrura immediately jumped down from the chariot, out of respect. He became overwhelmed with all the symptoms of ecstasy; he wept, and his body trembled. Out of extreme jubilation upon seeing the dust touched by the lotus feet of Krishna, Akrura fell flat on his face and began to roll on the ground."

"Akrura's journey to Vrindavana is exemplary. One who intends to visit Vrindavana should follow the ideal footsteps of Akrura and always think of the pastimes and activities of the Lord. As soon as one reaches the boundary of Vrindavana, he should immediately smear the dust of Vrindavana over his body without thinking of his material position and prestige. Actually one cannot go to Vrindavana by purchasing a ticket. The process of going to Vrindavana is shown by Akrura." (Krishna Book)