| MCMURDO | Archibald ---, Scottish naval officer and polar explorer after whom a US Antarctic research station is named (7) |
| ROSS | The ___ Dependency: area of Antarctica named after a Royal Navy officer and polar explorer (4) |
| BYRDOFPRAY | Polar explorer, after getting religion? |
| NEUMAYER | German Antarctic research station named after a polar explorer (8) |
| ABOA | Antarctic research station operated by Finland |
| EXPRESS | First World War train that transported military personnel to Scottish naval bases (7) |
| JELLICOE | First World War train that transported military personnel to Scottish naval bases (8) |
| VITUSBERING | Danish explorer after whom a strait, island, sea, glacier and land bridge are named |
| HUMBOLDT | German naturalist and explorer after whom a Pacific current is named |
| HUDSON | Henry, explorer after whom a bay in North America is named (6) |
| DISCOVERY | Antarctic research ship built in Dundee (9) |
| BYRD | Richard E. ---, US naval officer, aviator and polar explorer; a recipient of the Medal of Honor and the Navy Cross (4) |
| WRIGHTBAY | Antarctica body of water named after a Canadian physicist and polar explorer (b.1887 - d.1975) whose last name is part of the answer (Hint! His first and middle names are Charles Seymour): 2 wds. |
| SIRWALTERRALEIGH | An Englishman after whom a US state capital is named |
| PENN | Sir William ___, politician after whom a US state was named (4) |
| ASHE | Arthur ___, tennis player after whom a US Open stadium is named (4) |
| JAMESCOOK | British sailor and explorer after whom the strait between New Zealand's North Island and South Island is named (5,4) |
| UTE | Tribe after whom a US state is named |
| MARCOPOLO | Explorer after whom Venice's international airport is named (5,4) |
| BALBOA | Spanish explorer after whom Panama's currency is named (6) |