If you ask Susie Riehl why she opened her Lancaster County farm to tour buses and curious tourists, she'll tell you she simply wasn't thinking.

"We don't even have any peace and quiet now back here," she said. Riehl's Quilts & Crafts, her family's business, occupies a building just steps from their farmhouse and barn.

Riehl is Amish. Her family grows corn and alfalfa and milks 30 cows. She's a housewife, mother and grandmother. But she's also a businesswoman. That last title seems to be why she has dealt with the relentless stream of visitors for 14 years.

Most of what she sells is handmade, sewn by 170 local families looking for supplemental income. "It's

Amish buggies can be found throughout Lancaster County, but they're especially common near Strasburg, in the heart of Amish Country. Tourists who don't venture from Route 30 may not find the most authentic Amish experiences. (Daily Record/Sunday News - Bil Bowden)
helping so many families - I guess that's what keeps us going," she said.

Riehl's struggle is just one example of the pressures tourism brings to the world's most significant historic destinations.

Lancaster County's Amish country, as well as the Hallowed Ground Corridor from Gettysburg to Virginia, were listed in the December issue of National Geographic Traveler magazine among the 109 most important historic places on Earth.

But both ranked fourth worst when it comes to promoting sustainable tourism and destination stewardship - how authentically they preserve their past, manage tourism and withstand the pressures of development.

Ed McMahon, a senior resident fellow for sustainable development at the Urban Land Institute in Washington, D.C., and author of "Better Models for Development in Pennsylvania," said both places need to work on preserving what makes them unique, or they risk losing tourism:

"The more any place comes to look just like every place else, the less reason there is to go there."

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While each destination faces its own unique challenges, both struggle with over-commercialization, suburban sprawl, billboard pollution and a lack of coordinated regional planning.

Experts who ranked Lancaster County said the culture of the Amish is lost "amid the sprawl and schlock" of built-up tourist towns.

"Why can we not celebrate a historic area without making cheap junk shops, especially when the local handicrafts are of such excellent quality?" asked one member of the international panel.

Billboard pollution along the Route 15 corridor near Gettysburg takes away from the beauty of the surrounding landscape, said Jonathan Tourtellot, director and geotourism editor for National Geographic Traveler.

He said while downtown Gettysburg is improving, and the National Military Park is holding steady, the areas around both are besieged by development, traffic and other problems related to suburban sprawl.

Experts said the history of the corridor is eclipsed by the excess of development.

"McMansions have already proliferated like mushrooms along this corridor," a survey judge noted, "undermining the historical and ecological integrity and aesthetic appeal of the region."

Tourtellot said it's not too late for both destinations to turn things around, but added, "The deeper you're in, the harder it is to get out."