The couple, who has been identified as Angela Nikolau and Ivan Beerkus, were seen holding a pro-peace banner at the very top of the spire.
Leqaa Kordia, a 33-year-old from the West Bank who has lived in New Jersey since 2016, had been held in a U.S. immigration detention center in Texas since last March.
The two teens charged with attempting to carry out what officials described as an ISIS-inspired attack in New York considered other targets before the mayor's residence.
Two men who brought explosives to a protest outside New York City's mayoral mansion said they were inspired by the Islamic State extremist group, a court complaint said.
The violence came after the United States and Israel attacked Iran, killing its Supreme Leader Ayatollah Ali Khamenei.
Attorney General Pam Bondi announced Friday that 30 more people have been indicted for allegedly taking part in an anti-immigration enforcement protest at a Minnesota church.