Photo: Joshua Trujillo/seattlepi.com Image 1 of / 19 Caption Close

Image 2 of 19 <b>14. Gum Wall:</b> It's hard and bumpy and -- dare I say -- a tad unsanitary. This tourist hot spot by Pike Place Market makes some folks cringe. <b>14. Gum Wall:</b> It's hard and bumpy and -- dare I say -- a tad unsanitary. This tourist hot spot by Pike Place Market makes some folks cringe. Photo: Amy Rolph/seattlepi.com

Image 3 of 19 13. Counterbalance Park: This urban Queen Anne park is more cement slab than park, or so say neighbors. It's lit up here with lights -- let's see a traditional park turn into a rainbow. This urban Queen Anne park is more cement slab than park, or so say neighbors. It's lit up here with lights -- let's see a traditional park turn into a rainbow. less 13. Counterbalance Park: This urban Queen Anne park is more cement slab than park, or so say neighbors. It's lit up here with lights -- let's see a traditional park turn into a This urban Queen Anne park is more cement slab than park, or so say neighbors. It's lit up here with lights -- let's see a traditional park turn into a ... more Photo: Grant Haller/seattlepi.com file photo

Image 4 of 19 12. The Green Lake Hole: The former Vitamilk Dairy site near Woodland Avenue Northeast in Seattle’s Green Lake neighborhood has been a longstanding eyesore. One prankster finally took matters into his or her own hands earlier this year and proposed the site be used for a ball pit. The former Vitamilk Dairy site near Woodland Avenue Northeast in Seattle’s Green Lake neighborhood has been a longstanding eyesore. One prankster finally took matters into his or her own hands earlier this year and proposed the site be used for a ball pit. less 12. The Green Lake Hole: The former Vitamilk Dairy site near Woodland Avenue Northeast in Seattle’s Green Lake neighborhood has been a longstanding eyesore. One prankster finally took matters into his The former Vitamilk Dairy site near Woodland Avenue Northeast in Seattle’s Green Lake neighborhood has been a longstanding eyesore. One prankster finally took matters into his ... more Photo: mygreenlake.com photo

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Image 6 of 19 <b>11. Columbia Tower:</b> Seattle's tallest building is big and black and gloomy -- just like the weather for much of the year. <b>11. Columbia Tower:</b> Seattle's tallest building is big and black and gloomy -- just like the weather for much of the year. Photo: Joshua Trujillo / Seattle Post-Intelligencer

Image 7 of 19 10. Red Square: The University of Washington has a gorgeous campus, but you wouldn't think so if looking the wrong way in Red Square. There's cement-fronted Kane Hall, for starters. And a whole lot of (sometimes slippery) brick. The University of Washington has a gorgeous campus, but you wouldn't think so if looking the wrong way in Red Square. There's cement-fronted Kane Hall, for starters. And a whole lot of (sometimes slippery) brick. less 10. Red Square: The University of Washington has a gorgeous campus, but you wouldn't think so if looking the wrong way in Red Square. There's cement-fronted Kane Hall, for starters. And a whole lot of The University of Washington has a gorgeous campus, but you wouldn't think so if looking the wrong way in Red Square. There's cement-fronted Kane Hall, for starters. And a whole lot of ... more Photo: Grant M. Haller / seattlepi.com

Image 8 of 19 9. Aurora Avenue: Once upon a time, this was the main road connecting Seattle with the northern part of the state. Now it's one of the region's least attractive stretches of highway. Once upon a time, this was the main road connecting Seattle with the northern part of the state. Now it's one of the region's least attractive stretches of highway. less 9. Aurora Avenue: Once upon a time, this was the main road connecting Seattle with the northern part of the state. Now it's one of the region's least attractive stretches of Once upon a time, this was the main road connecting Seattle with the northern part of the state. Now it's one of the region's least attractive stretches of ... more Photo: Joshua Trujillo/seattlepi.com

Image 9 of 19 8. Seattle Central Library: Some folks love it, some don't. The city's flagship library opened in 2004, and it has been on and off of architectural lists ever since -- both good and bad. Some folks love it, some don't. The city's flagship library opened in 2004, and it has been on and off of architectural lists ever since -- both good and bad. less 8. Seattle Central Library: Some folks love it, some don't. The city's flagship library opened in 2004, and it has been on and off of architectural lists ever since -- both good and Some folks love it, some don't. The city's flagship library opened in 2004, and it has been on and off of architectural lists ever since -- both good and ... more Photo: seattlepi.com file photo

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Image 11 of 19 <b>7. Sinking Ship Garage:</b> Pioneer Square residents rallied to save this odd edifice when monorail plans threatened it, saying an empty lot would be even worse. <b>7. Sinking Ship Garage:</b> Pioneer Square residents rallied to save this odd edifice when monorail plans threatened it, saying an empty lot would be even worse. Photo: seattlepi.com file photo

Image 12 of 19 <b>6. Grain Terminal:</b> This Port of Seattle terminal blocks the view for some Queen Anne residents. <b>6. Grain Terminal:</b> This Port of Seattle terminal blocks the view for some Queen Anne residents. Photo: seattlepi.com file photo

Image 13 of 19 5. Aurora Motels: The now-vacant motels just north of the Aurora Bridge are tattooed with graffiti. Some have proposed the former Fremont Inn (pictured) be turned into a housing facility for low-income people. The now-vacant motels just north of the Aurora Bridge are tattooed with graffiti. Some have proposed the former Fremont Inn (pictured) be turned into a housing facility for low-income people. less 5. Aurora Motels: The now-vacant motels just north of the Aurora Bridge are tattooed with graffiti. Some have proposed the former Fremont Inn (pictured) be turned into a housing facility for low-income The now-vacant motels just north of the Aurora Bridge are tattooed with graffiti. Some have proposed the former Fremont Inn (pictured) be turned into a housing facility for low-income ... more Photo: Casey McNerthney/seattlepi.com

Image 14 of 19 4. Experience Music Project: Paul Allen opened his rock museum in 2000, at the tail-end of the tech bubble. This love-it-or-hate-it museum designed by famous architect Frank Gehry near the Space Needle looks like a multi-colored metal bagel that crashed in the middle of the city. Paul Allen opened his rock museum in 2000, at the tail-end of the tech bubble. This love-it-or-hate-it museum designed by famous architect Frank Gehry near the Space Needle looks like a multi-colored metal bagel that crashed in the middle of the city. less 4. Experience Music Project: Paul Allen opened his rock museum in 2000, at the tail-end of the tech bubble. This love-it-or-hate-it museum designed by famous architect Frank Gehry near the Space Needle Paul Allen opened his rock museum in 2000, at the tail-end of the tech bubble. This love-it-or-hate-it museum designed by famous architect Frank Gehry near the Space Needle ... more Photo: seattlepi.com file photo

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Image 16 of 19 <b>3. King County Administration:</b> This government building stands near City Hall -- and looks poorer for it. The building was voted ugliest in the city shortly after being built in the 1970s. <b>3. King County Administration:</b> This government building stands near City Hall -- and looks poorer for it. The building was voted ugliest in the city shortly after being built in the 1970s. Photo: seattlepi.com file photo / Grant M. Haller

Image 17 of 19 <b>2. Alaskan Way Viaduct:</b> Not only is this structure one of the city's least-attractive, it has long been the source of its biggest controversy. <b>2. Alaskan Way Viaduct:</b> Not only is this structure one of the city's least-attractive, it has long been the source of its biggest controversy. Photo: Joshua Trujillo/seattlepi.com

Image 18 of 19 <b>1. Tubs building:</b> The vacant building is a concern for University District business owners, who say the graffiti-covered walls make the neighborhood look less safe. <b>1. Tubs building:</b> The vacant building is a concern for University District business owners, who say the graffiti-covered walls make the neighborhood look less safe. Photo: Amy Rolph/seattlepi.com