Skydeck, Observation deck in USA
Skydeck provides panoramic views of Chicago and beyond from the 103rd floor of Willis Tower.
Skydeck opened in 1974, attracting millions since its inception.
The Ledge, a glass balcony extension, offers visitors a thrilling cultural experience high above Chicago.
Tickets for Skydeck can be purchased online or on-site.
On clear days, visibility from Skydeck stretches to four states.
Location: Chicago
Website: theskydeck.com
Source: Wikimedia