North America

California

San Francisco

• USS Pampanito, WWII submarine
• Palace of the Legion of Honor
• Exploratorium

San Jose

• The Tech Museum
• Lick Observatory on Mt. Hamilton

Colorado

Boulder

• NCAR
• Tra-Ling's Chinese restaurant on Broadway
• Pearl Street Mall
• Flatirons

Denver

• Golden Tempura Bowl Chinese restaurant on Colfax Ave.
• Tattered Cover Bookstore in Cherry Creek
• Sun Ice Center in Broomfield has three ice surfaces
• LODO's microbreweries
• Colorado Avalanche hockey game

Illinois

• Museum of Science and Technology where the German WWII U-boat U-505 is.

Ohio

• Cedar Point Amusement Park

Nebraska

• Carhenge

Ontario

Toronto

• CN Tower
• Hockey Hall of Fame
• Toronto Maple Leafs hockey game at Air Canada Centre
• Underground tunnels connecting department stores and buildings including the Toronto Eaton Centre.

British Columbia

Vancouver

• "Beyond the Edge" Cafe
• Toys in Babeland toystore and bookshop
• The Crypt
• Davie Street, the city's gay district, similar to San Francisco's Castro area
• Dr. Sun Yat Sen Chinese Scholar's garden is lovely. Perfect balance of the four elements of water, plants, rock and architecture required for that art form.
• The Science Museum has a 3-D/laser movie that really is three-dimensional, and an iMax theater.
• Little Sister's Bookstore
• The university's Japanese Shinto garden
• Miller Hockey

Europe

England

Portsmouth

• HMS Warrior, the most technologically significant warhsip ever built.

Scotland

Edinburgh

Firth of Forth Railway Bridge

Sweden

Stockholm

• Skansen, a historic village
• Vasa, the Gustavus Adolphus, an important ship

Netherlands

Amsterdam

• Black Tulip Hotel
• ice skating on the canals in winter
• Rijksmuseum
• Nemo, the technology museum that looks like a boat hull
• ARTIS the zoo

Germany

Berlin

• BMW motorcycle factory

Cologne

• Visit my cousin Sebastian.

Nuremberg

Austria

Vienna

France

Paris

• The Louvre
• Euro Disney

Italy

Venice

Rome

Czech Republic

Prague

Australia

Sydney

• Opera House
• HMS Bounty harbor cruise
• Paddington and Darlinghurst
• The Tool Shed
• Powerhouse Museum