These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Largest man-made excavation on earth!

Despite sitting firmly in the global cradle of the Church of Jesus Christ of Latter-day Saints, this Hare Krishna temple is host to one of the largest color festivals outside India.

The largest island on the great salt lake is home to curious creatures and strange stories.

Largest collection of mounted dinosaur specimens in the world.

The fifth-longest natural arch in the world, and the longest outside China.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.