// Southeast · 6–8 days
Southern Appalachian Heritage
Smoky-mountain mist, old-growth Congaree swamp, and Kentucky's underground cathedrals.
/ the route
- Stop 01Great Smoky MountainsTennessee · 2 days · best fall
Blue-misted ridges hide synchronous fireflies, log cabins, and 1,500 black bears.
Clingmans DomeCades CoveAlum Cave Trail 
Stop 02Blue Ridge ParkwayVirginia & North Carolina · 3 days · best october (foliage)America's longest linear park — 469 miles of ridgeline driving through the southern Appalachians.
Linn Cove ViaductMabry MillCraggy Gardens
Stop 03CongareeSouth Carolina · 1 day · best fall & springOne of the tallest old-growth hardwood forests left in North America.
Boardwalk LoopCedar CreekSynchronous fireflies
Stop 04Mammoth CaveKentucky · 1 day · best spring & fallThe world's longest known cave system threads beneath Kentucky's wooded hills.
Historic Cave TourFrozen NiagaraGreen River
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/ more itineraries
- Alaska Wild Five10–14 days · 5 parks
Brown bears, tidewater glaciers, and the tallest peak in North America.
- Amalfi & Southern Italy8–12 days · 3 parks
Cliff-clinging Amalfi villages and the Dolomite spires of the north.
- Andes & Amazon12–16 days · 3 parks
Machu Picchu sunrise, Huayhuash glacier ridges, and Tambopata jungle nights.
- Appalachian Heritage6–9 days · 4 parks
Blue-misted ridges, deep caves, and the wildest gorge in the East.