ALABAMA: Civil Rights Memorial
A granite memorial in Montgomery (near Dexter Avenue Baptist Church, former parish of Dr. Martin Luther King) highlights 40 heroes of the civil rights movement.
ALASKA: Denali State Park
Home of Mount McKinley, the tallest mountain in North America, this park boasts glaciers, grizzly bears, and breathtaking scenery.
ARIZONA: Grand Canyon
They don't call it one of the Seven Natural Wonders of the World for nothing, and thanks to the famous mule rides and Junior Ranger program, it's a can't-fail hit with families.
ARKANSAS: Ozark Folk Center
Mountain music, an interactive crafts village, and a country store make a visit to the Ozarks a trip into the heart of Americana.
CALIFORNIA: Golden Gate Bridge
Whether you drive over it, take a tour boat under it, or gaze at it from shore, this San Francisco icon welcomes 9 million visitors a year.
COLORADO: Mesa Verde
These astonishing cliff dwellings near Mancos -- especially Cliff Palace and Balcony House -- showcase the culture of the Anasazis, who lived in the Southwest some 1,000 years ago.
CONNECTICUT: Mystic Seaport
This 17-acre maritime museum offers families a chance to experience early American seafaring life on restored ships and in period buildings.
DELAWARE: Brandywine Valley
Washington and Lafayette met in Wilmington before the Battle of Brandywine; now kids can explore the past at the Delaware History Museum and Hagley Museum.
FLORIDA: Kennedy Space Center
From spaceflight simulators to tours of space-shuttle launchpads, this Orlando-area attraction is a science buff's dream.
GEORGIA: Okefenokee Swamp
Billed as the biggest swamp in North America, this natural wonder can be navigated by canoe or boat tour, or you can get directions for driving at the visitors' center in Folkston.
HAWAII: Pearl Harbor
A visit to the USS Arizona Memorial in Oahu includes a powerful film and a narrated ride out to the site of the attack. Then take a tour of the adjacent USS Bowfin submarine.
IDAHO: Sacajawea's Birthplace
The Lemhi County Historical Museum contains artifacts and information about this Native American woman who helped Lewis & Clark discover the Northwest Territory.
ILLINOIS: Lincoln Home
Relive the past at the house where Abraham Lincoln lived until he was elected president, and take in the four-block neighborhood of restored homes that surrounds it in Springfield.
The city is dotted with sites, including homes, churches, and museums, commemorating the state's history as a French fur-trading post.
IOWA: Amana Colonies
Historic houses, quaint shops, and museums, spread out over seven villages, honor the legacy of enterprising German settlers who arrived in rural Iowa before the Civil War.
KANSAS: Dodge City
Ride a stagecoach, watch a re-created gunfight, and examine Wild West artifacts at the Boot Hill Museum and Front Street reconstruction.
KENTUCKY: Mammoth Cave National Park
Guided, kids-only tours teach children about caving, ecology, and conservation in this park's 360 miles of cave systems.
LOUISIANA: Steamboat Natchez
Cruise the mighty Mississippi from New Orleans' bustling port, or try the aquarium/zoo cruise, with visits to the Aquarium of the Americas and the Audubon Zoo.