Labna Arch is one of the largest and most ornate architectural structures built by the Mayans.
The inauguration of the Arch came on Mexico's National Day today.
"This initiative will bring both the countries together in terms of heritage, culture and political tie-ups," she said adding the "Arch of Labna is the sixth sense added to this Garden of Five Senses.
She said the Arch would be lit up in the evening.
Dikshit also flagged off a cycle track which has been developed on a pavement comprising unmetalled road, paved road and rocky terrains for the visitors. The total length of the cycle track is 1 km.