Chicago's Skyline and the Sears Tower (2:57)
Post-1871 Building Models (1:32)
Building Developments: Steel and Plate Glass (2:11)
Sears Tower: Unique Design Structure (2:02)
Skyscraper: Economics Dictates Building Shape (2:25)
Interior of Sears Tower (2:12)
Exterior of Sears Tower Bombarded by Weather Elements (2:02)
Economic Necessities of Skyscrapers (2:20)
Successful Strategies to Market Building Space (3:30)
Exterior Cleaning of Sears Tower (2:12)
Skyscraper From a Bygone Era (1:54)
Santiago Calatrava Building Design (2:55)
A Building With No Straight Lines (3:39)
Story of the Skyscraper (3:20)
Project Turning Point (3:01)
Exterior Cleaning on Skyscraper's Exterior Surface (5:14)
Iconic Status of Building (2:56)
New Century Architecture (3:18)
Beauty and Architecture (3:04)
Architectural Design Sets High Standard (2:47)
Interior of Seven World Trade Center: Safety and Security (3:26)
Elements of Building Security (3:11)
Skyscraper Safety Enhancements (5:11)
Seven World Trade Center: Symbol of Hope (0:45)
World's First "Green" Skyscraper (3:36)
Frankfurt's Commitment to Eco-Friendly Skyscrapers (2:41)
Advantages of "Green" Architectural Design (3:30)
Eco-Friendly, Self-Ventilating Building (3:57)
Commerzbank: Worker's Paradise (3:30)
Exterior Design and Construction Details (4:37)
Skyscrapers of the Future (3:37)
World's Highest Residential Skyscraper (3:37)
Architectural Principles of Eureka Tower (3:24)
Eureka Tower's Architect (1:52)
Eureka Tower Building Management (2:44)
Eureka Tower and Melbourne's City Center (3:20)
Residential Skyscraper: Community Infrastructure (3:14)
Unique Offerings of the Eureka Tower (2:38)
Exterior Window Cleaning on Residential High Rise (4:36)
Strongest Building in the World (2:27)
Mexico City's Earthquake Risks (2:48)
Why Torre Mayor is Earthquake-Proof (2:24)
Skyscraper's "Shock Absorbers" (3:47)
Interior of Earthquake-Proof Skyscraper (3:16)
Who Financed Mexico City's Skyscraper (4:23)
Safety of Skyscraper in Earthquake Zone (1:23)
Exterior of an Earthquake-Proof Skyscraper (5:19)
World's Tallest Residential Tower (3:09)
Design Challenges for Residential Tower (1:11)
World's Tallest Residential Tower: Interior Lobby and Exterior Canopy (3:16)
Skyscraper in Surfer's Paradise (4:29)
Growth and Development of a Seaside Paradise (2:58)
Rapid Development Affects Local Citizens (3:12)
External Surface and Aerial Views of Residential Skyscraper (5:00)
World's Tallest Residential Tower: Symbol of Wealth and Achievement (1:54)
Philadelphia's Celebrity Architect-Built Skyscraper (3:27)
Advantages for Skyscraper's Tenants (2:37)
Interior of Cira Center Skyscraper (1:57)
Financial Partners for Cira Center's Construction (2:30)
Value of Celebrity Architects (4:42)
Prestige Attracts Tenants (1:24)
Architect Cesar Pelli on Cira Center and Architecture (5:42)
Technology and Window Washing at Cira Center (3:03)
Cathedral as Skyscraper (2:42)
Interior of Cologne Cathedral: Heaven on Earth (3:49)
Cologne Cathedral's Flying Buttresses (2:50)
Acres of Stained Glass in Cologne Cathedral (3:42)
Tribulations of Cologne Cathedral (1:54)
Architectural Wonders at Cologne Cathedral (4:03)
Cathedral: Reliquary, House of Worship, Status Symbol (2:28)
Age of the Skyscraper (3:46)
Transformation of London (2:48)
Economic Change Means Architectural Change (3:07)
Re-Location of London's Financial Center (3:28)
Architectural Design to Lure Investors and Tenants (3:08)
Architectural Success/Business Failure (4:23)
Transition from Docklands to Prime Real Estate (2:11)
Exterior of a Skyscraper (3:07)
Skyscraper: Key to London's Financial Center (3:07)