The Galápagos

The Galápagos Islands are an archipelago of volcanic islands distributed around the equator in the Pacific Ocean, 972 km west of continental Ecuador, of which they are a part. It is a UNESCO World Heritage site: wildlife is its most notable feature. The principal language on the islands is Spanish. The islands have a population of around 23,000.

The Galápagos consists of 15 main islands, 3 smaller islands, and 107 rocks and islets. The islands are located at the Galapagos Triple Junction. It is also atop the Galapagos hotspot, a place where the Earth's crust is being melted from below by a mantle plume, creating volcanoes.

For more information about the Galápagos Islands visits Columbus Travel which is one of the major travel agencies in Ecuador with an average of 3000 passengers each year.

The Grand Canyon

The Grand Canyon is a steep-sided canyon carved by the Colorado River in the United States in the state of Arizona.

The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (1.83 km) (6000 feet). Nearly two billion years of the Earth's geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted.

Aside from casual sightseeing from the South Rim (averaging 7,000 feet [2,100 m] above sea level), rafting, hiking, running and helicopter tours are especially popular. In October 2010 the North Rim is the host to an ultramarathon. The Grand Canyon Ultra Marathon  is a 78-mile (126 km) race over 24 hours. The floor of the valley is accessible by foot, muleback, or by boat or raft from upriver. Hiking down to the river and back up to the rim in one day is discouraged by park officials because of the distance, steep and rocky trails, change in elevation, and danger of heat exhaustion from the much higher temperatures at the bottom.
(source)
Grand Canyon Reservations (official site)