The observatory at One World Trade Center will celebrate its one-year anniversary this month by hosting a free open house.
Ticket-holders will get to travel up the tower’s 104 stories and experience sweeping views of the city from the One World Observatory.
The observatory opened on May 29, 2015. It sits a top the tallest building in the western hemisphere.
“We look forward to opening our doors to the community, to not only commemorate our first year of operation, but express our sincere gratitude to those who have embraced our experience and supported us throughout our inaugural year,” the observatory’s general manager, John Urban, said.
The observatory will continue anniversary celebrations through Memorial Day weekend with on-site celebrations for guests.
The open house is on Tuesday, May 24 from 9 a.m. to 11:30 a.m.
Tickets are only available online, on a first-come, first-served basis while tickets last. The offer is valid for two complimentary tickets.