| Middle East | Borders | Nahwa & Madha Enclaves: A country in a country in a country |
| North America | Trails | Backbone Trail: 68-mile hike from the middle of a 10 million-person city |
| North America | Transportation Routes | Alaska Marine Highway System: A highway system…for boats |
| Europe | Infrastructure | Faroe Islands Tunnels: Underwater tunnels connect isolated chain |
| Asia | Physical Geography | Lake Balkhash: 50% fresh, 50% salty, 100% unique |
| Africa | Military | Djibouti Military Bases: A multi-country presence in a strategic location |
| Europe / Asia / South America | Animals | European Birds: Do swallows migrate? |
| North America / Asia | Physical Geography | Diomede Islands: Where you can see Russia from your house |
| Middle East | Infrastructure | Qattara Depression: Proposals to create a lake from sand |
| North America | Physical Geography | Manitou Islands: Two islands in Lake Michigan with a sad origin legend |
| South America | Transportation Routes | Teleférico do Alemão: Riding above the favelas of Rio |
| Africa | Infrastructure | Suez Canal Expansion: Shaving off 15 hours in transit time |
| Oceania | Infrastructure | Papua New Guinea LNG: Rich in natural resources, but not infrastructure |
| Europe | Borders | Moldova & Ukraine Exchange: a port for a highway |
| North America | Infrastructure | ORD Expansion: An $8.5 billion modernization project |
| Africa | Infrastructure | Kinshasa & Brazzaville: Close capital cities that are still so far away |
| North America | Trails | Kalalau Trail: A tropical hiking paradise |
| South America | Transportation Routes | Mi Teleférico: Traveling over La Paz, Bolivia by cable car |
| Europe / North America | Transportation Routes | Arctic Bridge: Direct shipping route through the north pole |
| North America | Transportation Routes | DCA Perimeter Rule: Only routes under 1,250 miles…with 10 exceptions |
| Asia | Borders | Naypyidaw: A very-planned capital city |
| North America | Transportation Routes | Winter Park Express: From city to slope in under 3 hours |
| Asia | Borders | Kinmen & Lienchiang: Taiwanese islands just miles from China |
| Africa | Transportation Routes | Senegambia Bridge: Reducing the drive from a day to 5 hours |
| North America | Borders | Rose Park, Missoula: Behind the “slant street” neighborhood |
| Middle East / Asia | Transportation Routes | Israel/India Flights: Circuitous routes based on diplomatic tensions |
| Asia | Infrastructure | BTC Pipeline: Moving oil through Azerbaijan, Georgia & Turkey |
| Europe | Theme Parks | Rodelbahn Pradaschier: Gliding through the Swiss Alps at 25mph! |
| Asia | Trails | Kumano Kodo: An ancient pilgrimage route in Japan |
| Asia / Africa | Military | Diego Garcia: An American military outpost in the middle of the Indian Ocean |
| North America | Theme Parks | Harry Potter World: The Wizarding World in Central Florida |
| South America | Borders | Chile & Argentina Border: Undefined due to decades-long dispute |
| North America | Physical Geography | Toronto Islands: Small-town living off the coast of Canada’s largest city |
| Europe | Transportation Routes | Baltic Waterways: Pathway to the Atlantic via international waters |
| North America | Borders | St Pierre and Miquelon: French islands 12 miles from Canada |
| Africa | Transportation Routes | Canal des Pangalanes: Madagascar’s 400 mile waterway |
| Oceania | Physical Geography | Rabaul: A town and airport destroyed by a volcano |
| Asia | Infrastructure | Hulhumale: A man-made island set to house 240,000+ people |
| Europe | Religion | Mount Athos: An independent monastic enclave within Greece |
| Asia | Borders | Kuril Islands: A decades-long Japan-Russia conflict |
| Asia | Transportation Routes | Island Hopper: United Airlines’ Pacific Ocean Puddle-jumper |
| North America | Transportation Routes | Honolulu Rail Transit (HART): A high-cost, very delayed rail system |
| North America | Transportation Routes | Tibbett to Contowoyto Winter Road: Connecting diamond mines in Northern Canada |
| Europe | Theme Parks | Paris 2024: Leveraging existing venues for the upcoming Summer Olympics |
| Europe | Infrastructure | Fraport Greece: Greek airports owned by the German Government |
| North America | Borders | The 51st State: Can Washington DC be the next official US state? |
| Middle East | Borders | Passport Island: Man-made border crossing station between Saudi Arabia and Bahrain |
| Europe | Infrastructure | Ameralik Span: The longest cross-water electrical wires in the world |
| Asia | Borders | Dadra and Nagar Haveli and Daman and Diu: Indian Union Territory enclaves |
| North America | Transportation Routes | The Great Loop: Circumnavigating the Eastern US by boat |
| North America | Physical Geography | Black Belt: Geological and socio-economic region in Alabama & Mississippi |
| North America | Borders | Dixon Entrance: An ongoing US/Canada maritime border dispute |
| Europe | Transportation Routes | Lausanne Metro: The smallest city with a metro system |
| Middle East | Infrastructure | Neom: A futuristic city in the desert of Saudi Arabia |
| North America | Military | Chinese Spy Balloon: Suspicious balloon travels over sensitive US military sites |
| Africa | Infrastructure | Kazungula Bridge: Connecting Botswana and Zambia over the Zambezi River |
| North America | Physical Geography | Montserrat: A small island split in half by a volcano |
| Europe | Transportation Routes | Royal Arctic Line: Connecting remote Greenlandic villages |
| North America | Transportation Routes | Milk Run: Alaska Airlines’ route up the Pacific Coast |
| North America | Theme Parks | F1 Las Vegas Grand Prix: Racing down the Vegas Strip |
| Asia | Transportation Routes | Qinghai-Tibet Railway: Highest rail route in the world |
| North America | Infrastructure | New Mannahatta: NYC’s proposed Manhattan Island extension |
| Asia | Borders | Kaesong Industrial Zone: An outpost of business within North Korea |
| North America | Transportation Routes | Little Cottonwood Canyon Gondola: A $550 million blunder? |
| Asia | Borders | South China Sea: Territorial disputes leave 6 separate border claims |
| North America | Infrastructure | Carmel, Indiana Roundabouts: The most-extensive roundabout network in North America |
| Global | Infrastructure | New Capital Cities: Changing locations of seats of government |
| US | Infrastructure | US Interstate System: A surprisingly well-organized road network |
| US | Infrastructure | LAX APM: New Automated Train to Improve Traffic |
