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MetLife & Helmsley Buildings over Park Ave. 
| MetLife & Helmsley Buildings.
| Waldorf-Astoria Hotel (1931) (301 Park Ave. at 48th St.). Architect: Schultze & Weaver. 
| Waldorf-Astoria Hotel artistic marquee.
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St. Bartholomew's Church (1919) (109 E. 50th St.). Style: Byzantine. Architect: Bertram Goodhue. On National Register. 
| Byzantine dome of St. Bartholomew's Church.
| RCA Victor (aka General Electric) Building (1931) (570 Lexington Ave. at 51st St.) (50 floors). Style: Art Deco. Architect: Cross & Cross.
| Colgate-Palmolive (1955 & 2000) (300 Park Ave. at E. 49th St.) (25 floors) & Mutual of America Buildings. Architect: Emery Roth & Sons.
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Mutual of America Building (1960) (320 Park Ave. at 50th St.) (34 floors). Architect: Emery Roth & Sons + Swanke Hayden Connell Architects.
| Streetscape up Park Ave. from 51st St. 
| Racquet & Tennis Club (1918) (370 Park Ave. at 52nd St.). Style: Italian Renaissance palazzo. Architect: McKim, Mead & White.
| Park Avenue Plaza Building (1981) (55 East 52nd St.) (45 floors) over Racquet & Tennis Club. Architect: Skidmore, Owings & Merrill LLP.
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Racquet & Tennis Club & Lever House.
| Banco Santander & Lever House.
| Banco Santander (1991) (45 East 53rd St.) (20 floors). Architect: Rogers, Burgun, Shahine & Deschler, Inc.
| Lever House (1952) (390 Park Ave. at 53rd St.) (21 floors). Architect: Gordon Bunshaft of Skidmore, Owings & Merrill LLP.
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Lever House pioneering design using curtain walls on vertical over horizontal blocks.
| Seagram Building (1958) (375 Park Ave. at 52nd St.) (38 floors). Style: International. Architect: Ludwig Mies van der Rohe.
| Plaza of Seagram Building on Park Ave.
| Curtain wall facade of Seagram Building.
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Citibank & Seagram Building on Park Ave.
| Citibank Building (1961) (399 Park Ave. at 53rd St.) (41 floors). Architect: Kahn & Jacobs + Carson Lundin & Shaw.
| 875 3rd Ave. (1983) (29 floors). Architect: Skidmore, Owings & Merrill LLP.
| Streetscape up Lexington Ave. with concave 135 E 57th (1987) (31 floors) over Central Synagogue. Style: Post-Modern. Architect: Kohn Pedersen Fox.
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Central Synagogue (1872) (652 Lexington Ave.). Style: Moorish Revival. Architect: Henry Fernbach. On National Register. 
| Bloomberg Tower (2005) (731 Lexington Ave.) (54 floors). Architect: Cesar Pelli & Assoc. Architects + Schuman, Lichtenstein, Claman & Efron.
| Ritz Hotel Tower (1926) (109 East 57th St. at Park Ave.) (41 floors). Architect: Emery Roth & Sons + Carerre & Hastings.
| Streetscape up Park Ave. from Ritz Hotel Tower on corner.
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Blue windowed Banque de Paris Building (1984) (499 Park Ave. at 59th St.) (27 floors) surrounded by various highrises. Architect: I.M. Pei.
| Pavilion at base of Ritz Hotel Tower with Love sculpture on Park Ave. at 57th.
| Citigroup Center known for slanted roof designed for solar panels. 
| 53rd at Third (1986) (34 floors). Architect: Johnson / Burgee Architects. 
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