1 ► Washington, Chelan County, Stehekin — Historic Resort —

On Golden West Drive south of Stehekin Valley Road, on the right when traveling south.

2 ► Washington, Columbia County, Dayton — The Celilo Falls Trail —

On North 1st Street at East Commercial Street Avenue, on the right when traveling north on North 1st Street.

3 ► Washington, Cowlitz County, Castle Rock — Mount St. Helens - Edge of the Blast Zone —

On Spirit Lake Highway (Washington Route 504), on the right when traveling east.

4 ► Washington, Island County, Coupeville — A Canoe Crossroads —

On NW Alexander Street at Front Street NW, on the right when traveling south on NW Alexander Street.

5 ► Washington, Island County, Coupeville — Douglas Fir Log — Tree Slab In Coupeville City Park —

On NW Coveland Street west of NW Colburn Street, on the right when traveling west.

6 ► Washington, Island County, Coupeville — Ebey's Landing National Historical Reserve — Where the present partners with the past — Enjoy your time in the Reserve —

On Front Street NW at NW Alexander Street, on the right when traveling west on Front Street NW.

7 ► Washington, Island County, Coupeville — Northern Olympic Peninsula — Visitor Information Map —

On Engle Road (Washington Route 20), on the left when traveling west.

8 ► Washington, Island County, Deception Pass State Park — Deception Pass — A Mysterious Channel — Welcome to Deception Pass State Park —

On Washington Route 20, on the right when traveling south.

9 ► Washington, Island County, Deception Pass State Park — Deception Pass — Before the Bridge — Welcome to Deception Pass State Park —

On State Highway 20, on the left when traveling south.

10 ► Washington, Island County, Deception Pass State Park — Deception Pass — A Park Divided — Welcome to Deception Pass State Park —

On State Highway 20, on the left when traveling north.

11 ► Washington, Jefferson County, Port Townsend — Chetzemoka — In Memory Of —

12 ► Washington, Jefferson County, Port Townsend — 2014 — Honoring Eleanor Stopps — Courting Pigeon Guillemots — Artist: Tony Angell —

On Water Street east of Monroe Street, on the right when traveling east.

13 ► Washington, Jefferson County, Port Townsend — Kah Tai Prairie Preserve —

14 ► Washington, Jefferson County, Port Townsend — Point Hudson — The čičməhán Trail Stop 3 —

On Hudson Street, on the right when traveling south.

15 ► Washington, Jefferson County, Port Townsend — Point Hudson History — Rotary Centennial Path —

On Hudson Street north of Jefferson Street, on the right when traveling north.

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16 ► Washington, Jefferson County, Port Townsend — Point Hudson Shoreline — Rotary Centennial Path —

On Hudson Street south of Jefferson Street, on the left when traveling south.

17 ► Washington, Jefferson County, Port Townsend — qatáy Prairie — The čičməhán Trail Stop 14 —

18 ► Washington, Jefferson County, Port Townsend — Sentinel Rock — The čičməhán Trail Stop 13 —

19 ► Washington, Jefferson County, Port Townsend — Union Wharf / Indian Island — The čičməhán Trail Stop 7 —

20 ► Washington, Jefferson County, Port Townsend — Water — Hidden History —

On Water Street at Polk Street, on the right when traveling east on Water Street.

21 ► Washington, King County, Seattle, Broadview — Carkeek Park —

22 ► Washington, Lewis County, Packwood — Traveling Over the Cascades: Past and Present —

Near U.S. 12, 0.1 miles east of Forest Service Road 1276, on the right when traveling east.

23 ► Washington, Okanogan County, Conconully — Scotch Creek Basin —

On Conconully Road, on the right when traveling north.

24 ► Washington, Pacific County, Chinook — What Are the First Stories of This Place? —

Near U.S. 101, 1.8 miles west of State Route 401, on the right when traveling west.

25 ► Washington, Pierce County, Gig Harbor — A Living History: the S'Homamish —

On Harborview Drive, on the left when traveling north.

26 ► Washington, Pierce County, Gig Harbor — Across the Bay —

On Harborview Drive at Rosedale Street NW, on the right when traveling north on Harborview Drive.

27 ► Washington, Pierce County, Gig Harbor — Explore Gig Harbor Wildwaters —

On Harborview Drive north of Pioneer Way, on the right when traveling north.

28 ► Washington, Pierce County, Gig Harbor — Heart of the Harbor —

On Harborview Drive, on the right when traveling north.

29 ► Washington, Pierce County, Gig Harbor — Streams of Change — Learning From The Past... For A Better Future —

30 ► Washington, Pierce County, Gig Harbor — The Salmon Life Cycle —

31 ► Washington, Skagit County, Anacortes — Douglas Fir —

On State Highway 20, on the right when traveling north.

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32 ► Washington, Skagit County, Anacortes — Ship Harbor —

33 ► Washington, Skagit County, Marblemount — National Parks of the Cascades —

Near Cascade River Road.

34 ► Washington, Skamania County, Gifford Pinchot National Forest — Survivors Create Spectacular Change — Mount St. Helens National Volcanic Monument —

On Forest Road NF-99, 2.8 miles west of Forest Road NF-380.

35 ► Washington, Skamania County, Gifford Pinchot National Forest — The Earth’s Monumental Power — Mount St. Helens National Volcanic Monument —

On Forest Road NF-99, 6.6 miles Route NF-25.

36 ► Washington, Skamania County, Gifford Pinchot National Forest — The Pumice Plain — Tenacious Pioneers Regrow a Forest — Mount St. Helens National Volcanic Monument —

On Forest Road NF-99, 16 miles Forest Road NF-25.

37 ► Washington, Skamania County, Gifford Pinchot National Forest — Working with Nature to Rebuild an Ecosystem — Mount St. Helens National Volcanic Monument —

On Forest Road NF-99, 6.6 miles Forest Road NF-25, on the left.

38 ► Washington, Snohomish County, Edmonds — The Olympic Mountains —

39 ► Washington, Snohomish County, Mukilteo — Geology of Mukilteo — Mulkilteo Walking Tour Stop 7 —

40 ► Washington, Snohomish County, Mukilteo — Native Americans — Mulkilteo Walking Tour Stop 2 —

41 ► Washington, Snohomish County, Mukilteo — The Orca People — qalqaləxič —

42 ► Washington, Snohomish County, Mukilteo — The Salmon People — sʔuladxʷbixʷ xʷəʔaʔxʷəʔ —

43 ► Washington, Snohomish County, Snohomish — Douglas Fir Log —

On Cedar Avenue north of 1st Street, on the right when traveling north.

44 ► Washington, Spokane County, Spokane — Expo '74 — Spokane's Introduction to the World —

Near North Spokane Falls Court, 0.1 miles north of West Spokane Falls Boulevard.

45 ► Washington, Spokane County, Spokane — Spokane County Conservation Futures Program —

Near North Howard Street, 0.2 miles south of West Mallon Avenue, on the right when traveling south.

46 ► Washington, Spokane County, Spokane — What's in the Water —

Near North Spokane Falls Court, 0.1 miles north of West Spokane Falls Boulevard.

47 ► Washington, Thurston County, Littlerock — Mima Mounds: The Mysterious Work of Nature —

Near Waddell Creek Road SW, 0.4 miles south of Deer Tail Road SW.

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48 ► Washington, Whatcom County, Bellingham — Daylighting Padden Creek —

Near Old Fairhaven Parkway west of 20th Street.