Tucson anchors this tour, rich in history and redolent with the scents of great food and local wines.

En route, youll encounter dramatic mountain vistas.

(Note that local authorities ask drivers not to pull onto the verge during dry spells to take photos.

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Your cars hot undercarriage could ignite dry grass and shrubs.)

While soaking up the Baroque architecture, look for shell-shaped details honoring Spains patron saint, Santiago.

Drive south on I-19 another 39 miles to the serene Tumacacori National Historical Park.

San Xavier Mission at sunrise

The Spanish arrived in the 1690s, establishing the first mission in what is now Arizona.

Explore the evocative grounds, where many adobe structures have melted back into the earth.

Enter the striking ruins of an early 19th-century church, then wander an old orchard and replica walled garden.

a road map with hit the road written on it

Stay alert for opportunities to return to this International Dark Sky Park at night.

Rangers periodically lead stargazing and astrophotography sessions, as well as full-moon hikes.

The wonderfully fragrant store sells everything from adobo to whole sage leaves.

3 men on horses in Tombstone

Dont miss the house-made hot sauces, which add jalapenos, green chiles and spices to a tomato base.

A favorite: the hazelnut mole.

Tip:Be prepared to stop at temporary checkpoints within 100 miles of the Mexican border.

Arizona planned to replace the signage three decades later, but citizens insisted the quirk be maintained.

Where to stay:Tubac Secret Garden Inn, a half mile east of Elviras, features Spanish-style architecture.