A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

The biggest solar telescope in the world helps reveal the secrets of our sun.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The world's largest military aircraft cemetery.

See massive fossils that are over 200 million years old in northeastern Arizona.

A reproduction of earth's many biomes.

Outsider Art Community.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

A museum and tribute to a brave profession.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

An explosion of natural color known as "the river that ran away from paradise."

An unusual assortment of art, furniture, and other curiosities.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

A collection of pianos and more guaranteed to delight anyone interested in music history.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Thousands of majestic trumpeter swans fill this park, sounding distinctly like a certain brass instrument.

When waves crash onto this section of beach, the rocks sing a song.