impassable obstacles
21Battle of the Little Bighorn — Coordinates: 45°33′54″N 107°25′44″W / 45.565°N 107.42889°W / 45.565; 107.42889 …
22Hampton Roads — Coordinates: 36°58′N 76°22′W / 36.967°N 76.367°W / 36.967; 76.367 …
23Mars Exploration Rover — Artist s conception of rover on Mars Part of a panorama taken by the Spi …
24Patowmack Canal — The Patowmack Canal is an inoperative canal located in Virginia, United States, that was designed to bypass rapids in the Potomac River upstream of the present Washington, D.C. area. The Canal is managed by the National Park Service as it is… …
25Ice road — Ice roads or ice crossings (which are sometimes referred to as ice bridges), are frozen man made structures formed on the surface of bays, inlets, rivers, lakes or seas, and are linked from frozen waterway to frozen waterway by overland portages …
26Super Paper Mario — North American box art Developer(s) Intelligent Systems Publisher(s) …
27Nonterraqueous — Cover art of Nonterraqueous Developer(s) Stephen N Curtis Mark Jacobs Publisher(s) …
28The City Beneath — Infobox VG title = The City Beneath developer = Caravel Games publisher = Caravel Games designer = Erik Hermansen released = April 1, 2007 genre = Puzzle modes = Single player, Editor ratings = |platforms = PC Windows, Linux, Mac OS X media = CD …
29Crush (video game) — Crush Developer(s) Zoë Mode …
30Egypt — /ee jipt/, n. 1. Arab Republic of. a republic in NE Africa. 64,791,891; 386,198 sq. mi. (1,000,252 sq. km). Cap.: Cairo. Arabic, Misr. Formerly (1958 71), United Arab Republic. 2. an ancient kingdom in NE Africa: divided into the Nile Delta… …
