Skyscrapers Architects Pietro Belluschi

555 California Street, formerly Bank of America Center, is a 52-story, 779 ft (237.4 m) skyscraper in San Francisco, California. It is the second tallest building in the city and a focal point of the Financial District. Completed in 1969, the tower served as the world headquarters of Bank of America until the 1998 merger with NationsBank, when company moved its headquarters to Charlotte, North Carolina.

The Commonwealth Building is a 14-story commercial office tower in Portland, Oregon, United States, located at 421 SW 6th Avenue between Washington and Stark Streets. Designed by architect Pietro Belluschi, it was built between 1944 and 1948 and was originally known as the Equitable Building. It is noted as one of the first glass box towers ever built, pioneering many modern features and predating the more famous Lever House in Manhattan.

The MetLife Building, originally called the Pan Am Building, is a skyscraper located at 200 Park Avenue in Midtown Manhattan, New York City. The MetLife Building (then Pan Am Building) was the largest commercial office building in the world when it opened on March 7, 1963. It is a recognizable part of the Manhattan skyline and one of the fifty tallest buildings in the United States. Pan American World Airways was the building's owner for many years.

One Boston Place, also known as the Boston Company Building, is a 41-story office tower located in the Financial District of Boston, Massachusetts. With a height of 601 feet (183 meters), One Boston Place is the 4th-tallest building in the city. Despite its simple appearance, One Boston Place has become a major Boston landmark due to its distinctive diagonal exterior bracing and unusual rooftop "box" design.

One Financial Center is a modern skyscraper in the Financial District of Boston, Massachusetts. Built in 1983, it is Boston's 7th-tallest building, standing 590 feet (180 meters) tall, and housing 46 floors. An unusual 90 ft (27 m) tall glass-roofed lobby, known as the atrium, occupies the first two stories. The remaining stories are offices, home to a number of law firms, Certified Public Accountants, and financial services companies.

One Post Office Square is a 40-floor Modern skyscraper in the Financial District section of Boston, Massachusetts. The skyscraper is Boston's 10th-tallest building, standing 525 feet (160 m) tall. The building has approximately 766,000 square feet (71,000 m) of Class A office space. An attached, eight-level parking garage offers 368 parking spaces and direct access to the building's lobby. It over looks Post Office Square Park It was designed by Jung Brannen Associates.