Some developers are expanding the common outdoor areas in their buildings, by offering sundecks, basketball and volleyball courts, even a rooftop observatory, as at the Solaria, a 20-story condo under construction in the Riverdale section of the Bronx.

Built originally for science purposes the building maintains ties to its scientific heritage though its rooftop observatory.

Features a rooftop observatory dating back to 1882.

Formerly the Center for Science, Education and Technology, the $18.5 million Iadarola Center is the College's state-of-the-art academic building, equipped with lecture hall, rooftop observatory, and biology, chemistry, physical science and core science laboratories.

The rooftop observatory finally received its official opening in December 2011.

From rooftop observatories and telescopes on their lawns, and in cosmic campouts called star parties, they watch colliding galaxies, double-star systems, supernovas and planetary conjunctions, recording sightings with the passion of the obsessives they are.

Time speaking meant time away from his rooftop observatory.

Four chimneys rise from the center of the building enclosing the original rooftop observatory.

The building features a rooftop observatory, The Floating Garden Observatory, as well as an underground market that attempts to recreate the atmosphere of Osaka in the early 20th century.

In addition to the Science Museum's general exhibits, it also includes a planetarium and a rooftop observatory.