Name the flat intermontane area located at an elevation of about 10,000 feet (3,050 m) in the central Andes.
1990 Susannah Batko-Yovino
Mount Erebus is a volcano on what continent?
1991 David Stillman
What type of landform is commonly associated with orographic precipitation?
1992 Lawson Fite
Many coastal countries have established so-called EEZs—areas extending 200 nautical miles (370 km) from shore over which countries have sovereign rights for resource exploration. What do the initials EEZ stand for?
1993 Noel Erinjeri
Tagalog is one of the three main native languages of which island country in Asia?
1994 Anders Knospe
The Tagus River roughly divides which European country into two agricultural regions?
1995 Chris Galeczka
Pashtu and Dari are the official languages of which mountainous, landlocked country in southwestern Asia?
1996 Seyi Fayanju
Name the European co-principality whose heads of state are the President of France and the Bishop of Urgel.
1997 Alex Kerchner
Asia's most densely populated country has about three million people and an area of less than 250 square miles (402 km). Name this country.
1998 Petko Peev
More than 80 million people live in the European Union's most populous member country. Name this country.
1999 David Beihl
The condition characterized by unusually cold ocean temperature in the equatorial region of the eastern Pacific Ocean is known by what Spanish name?
2000 Felix Peng
Name two of the three largest sections of Denmark, which include its mainland peninsula and two largest islands
2001 Kyle Haddad-Fonda
Below the equilibrium line of glaciers there is a region of melting, evaporation, and sublimation. Name this zone.
2002 Calvin McCarter
Lop Nur, a marshy depression at the east end of the Tarim Basin, is a nuclear test site for which country?
Year & Person
2003 James Williams
Goa, a state in southwestern India, was a possession of which country until 1961?
2004 Andrew Wojtanik
Peshawar, a city in the North-West Frontier Province of Pakistan, has had strategic importance for centuries because of its location near what historic pass?
2005 Nathan Cornelius
Lake Gatún, an artificial lake that constitutes part of the Panama Canal system, was created by damming which river?
2006 Bonny Jain
Name the mountains that extend across much of Wales, from the Irish Sea to the Bristol Channel.
2007 Caitlin Snaring
A city that is divided by a river of the same name was the imperial capital of Vietnam for more than a century. Name this city, which is still an important cultural center.
2008 Akshay Rajagopal
The urban area of Cochabamba has been in the news recently due to protests over the privatization of the municipal water supply and regional autonomy issues. Cochabamba is the third-largest conurbation in what country?
2009 Eric Yang
Timis County shares its name with a tributary of the Danube and is located in the western part of which European country?
2010 Aadith Moorthy
The largest city in northern Haiti was renamed following Haiti’s independence from France. What is the present-day name of this city?
2011 Tine Valencic
Thousands of mountain climbers and trekkers rely on Sherpas to aid their ascent of Mount Everest. The southern part of Mount Everest is located in which Nepalese national park?
2012 Rahul Nagvekar
Which Bavarian city located on the Danube River was a legislative seat of the Holy Roman Empire from 1663 to 1806?
2013 Sathwik Karnik
Because Earth bulges at the equator, the point that is farthest from Earth's center is the summit of a peak in Ecuador. Name this peak.
2014 Akhil Rekulapelli
The discovery of a major shale oil deposit in the Vaca Muerta formation in 2010 has led to an expansion of oil drilling in the Neuquen province in what country?
2015 Karan Menon
If built, the proposed Grand Inga Dam would be the world's largest hydroelectric dam. Near the Inga Falls, it is on which African river?
2016 Rishi Nair
Which East African lake that drains into the Ruzizi River contains large quantities of dissolved methane gas that could generate electricity for millions of people?