 |  |  |  |
MetLife & Helmsley Buildings over Park Ave. New York, NY.  | MetLife & Helmsley Buildings. New York, NY. | Waldorf-Astoria Hotel (1931) (301 Park Ave. at 48th St.). New York, NY. Architect: Schultze & Weaver.  | Waldorf-Astoria Hotel artistic marquee. New York, NY. |
 |  | ![RCA Victor [aka General Electric] Building. New York, NY.](/t/USNYC/NYE45251.JPG) |  |
St Bartholomew's Church (1919) (109 E. 50th St.). New York, NY. Style: Byzantine. Architect: Bertram Goodhue. On National Register.  | Byzantine dome of St. Bartholomew's Church. New York, NY. | RCA Victor [aka General Electric] Building (1931) (570 Lexington Ave. at 51st St.) (50 floors). New York, NY. Style: Art Deco. Architect: Cross & Cross. | Colgate-Palmolive (1955 & 2000) (300 Park Ave. at E. 49th St.) (25 floors) & Mutual of America Buildings. New York, NY. Architect: Emery Roth & Sons. |
 |  |  |  |
Mutual of America Building (1960) (320 Park Ave. at 50th St.) (34 floors). New York, NY. Architect: Emery Roth & Sons + Swanke Hayden Connell Architects. | Streetscape up Park Ave. from 51st St. New York, NY.  | Racquet & Tennis Club (1918) (370 Park Ave. at 52nd St.). New York, NY. Style: Italian Renaissance palazzo. Architect: McKim, Mead & White. | Park Avenue Plaza Building (1981) (55 East 52nd St.) (45 floors) over Racquet & Tennis Club. New York, NY. Architect: Skidmore, Owings & Merrill LLP. |
 |  |  |  |
Racquet & Tennis Club & Lever House. New York, NY. | Banco Santander & Lever House. New York, NY. | Banco Santander (1991) (45 East 53rd St.) (20 floors). New York, NY. Architect: Rogers, Burgun, Shahine & Deschler, Inc.. | Lever House (1952) (390 Park Ave. at 53rd St.) (21 floors). New York, NY. Architect: Gordon Bunshaft of Skidmore, Owings & Merrill LLP. |
 |  |  |  |
Lever House pioneering design using curtain walls on vertical over horizontal blocks. New York, NY. | Seagram Building (1958) (375 Park Ave. at 52nd St.) (38 floors). New York, NY. Style: International. Architect: Ludwig Mies van der Rohe. | Plaza of Seagram Building on Park Ave. New York, NY. | Curtain wall facade of Seagram Building. New York, NY. |
 |  |  |  |
Citibank & Seagram Building on Park Ave. New York, NY. | Citibank Building (1961) (399 Park Ave. at 53rd St.) (41 floors). New York, NY. Architect: Kahn & Jacobs + Carson Lundin & Shaw. | 875 3rd Ave. (1983) (29 floors). New York, NY. Architect: Skidmore, Owings & Merrill LLP. | Streetscape up Lexington Ave. with concave 135 E 57th (1987) (31 floors) over Central Synagogue. New York, NY. Style: Post-Modern. Architect: Kohn Pedersen Fox. |
 |  |  |  |
Central Synagogue (1872) (652 Lexington Ave.). New York, NY. Style: Moorish Revival. Architect: Henry Fernbach. On National Register.  | Bloomberg Tower (2005) (731 Lexington Ave.) (54 floors). New York, NY. Architect: Cesar Pelli & Assoc. Architects + Schuman, Lichtenstein, Claman & Efron. | Ritz Hotel Tower (1926) (109 East 57th St. at Park Ave.) (41 floors). New York, NY. Architect: Emery Roth & Sons + Carerre & Hastings. | Streetscape up Park Ave. from Ritz Hotel Tower on corner. New York, NY. |
 |  |  |  |
Blue windowed Banque de Paris Building (1984) (499 Park Ave. at 59th St.) (27 floors) surrounded by various highrises. New York, NY. Architect: I.M. Pei. | Pavilion at base of Ritz Hotel Tower with Love sculpture on Park Ave. at 57th. New York, NY. | Citigroup Center known for slanted roof designed for solar panels. New York, NY.  | 53rd at Third (1986) (34 floors). New York, NY. Architect: Johnson / Burgee Architects.  |