2. The capital city of Ohio, Columbus.
3. Columbus Day, a national holiday in the United States and several other countries, celebrated on the second Monday in October.
4. The Columbia River in North America, which flows through Washington and Oregon.
5. The Columbia Space Shuttle, a reusable spacecraft that was used by NASA from 1981 to 2011.
6. The Christopher Columbus Highway, a major highway in the Dominican Republic.
7. The Columbus Telescope, a large radio telescope located in Puerto Rico.
8. The Christopher Columbus Memorial Lighthouse, a lighthouse located in Santo Domingo, Dominican Republic.
9. The Christopher Columbus University, a private university located in Santo Domingo, Dominican Republic.
10. The Columbus Quincentennial, a series of events and celebrations that took place in 1992 to commemorate the 500th anniversary of Columbus's arrival in the Americas.