The 9/11 Memorial Preview Site is the place to visit to learn about the plans for and progress of Memorial and Museum currently being built at the World Trade Center site. The real time images of the construction progress can be viewed here. In addition, visitors can participate in the creation of the Museum by sharing their 9/11 story. The 9/11 Memorial Preview Site is located at 20 Vesey St (At Church Street) near the WTC site. Hours: Monday - Wednesday, Friday - Saturday: 10am - 7pm Thursday: 10am - 9pm Sunday: 10am - 6pm . Admission is free.