The 404/403 project
A photography website should have a decent picture for its 404\not found page - the page you land on when a link doesn't work. From that idea, I started collecting photos of 404s (and also of 403s for the 403\forbidden page - where you land on when you have no access to another page).

On the right you'll find some highlights from my 404/403 collection.

The entire collection can be seen here:
• all photos (404 | 403)
• lists per category (404 | 403)
• lists per location (404 | 403)
• a random photo (404 | 403)
• a map!
      
Trieste, Italy: Tram line 2, car 404 (2)
 Trieste, Italy: Tram line 2, car 404 (2)  
Amsterdam, NL: Volkshotel, room 403
 Amsterdam, NL: Volkshotel, room 403  
Amsterdam, NL: Amsterdam ArenA, section 404
 Amsterdam, NL: Amsterdam ArenA, section 404  
Utrecht, NL: LOT dissertation 404, 'Multifunctionality' (Mirjam Hachem)
 Utrecht, NL: LOT dissertation 404, 'Multifunctionality' (Mirjam Hachem)  
Cascais, Portugal: Rua Frederico Arouca 404
 Cascais, Portugal: Rua Frederico Arouca 404  
NL: Katia Merino Tweed wool 404, 'rust'
 NL: Katia Merino Tweed wool 404, 'rust'  
Amsterdam, NL: City Archives, film 404
 Amsterdam, NL: City Archives, film 404  
Amsterdam, NL: Noorderlicht café, table 403
 Amsterdam, NL: Noorderlicht café, table 403  
Amsterdam, NL: Jumbo board game 403 (scrabble), in Café Scharrebier
 Amsterdam, NL: Jumbo board game 403 (scrabble), in Café Scharrebier  
Amstelveen, NL: Peugeot 404 dashboard
 Amstelveen, NL: Peugeot 404 dashboard  
The Hague, NL: Burgemeester Patijnlaan 404
 The Hague, NL: Burgemeester Patijnlaan 404  
The Hague, NL: Beach pavilion 'De Kwartel', chair 403
 The Hague, NL: Beach pavilion 'De Kwartel', chair 403  
Amsterdam, NL: Cygnus Gymnasium, room 404
 Amsterdam, NL: Cygnus Gymnasium, room 404  
Nijmegen, NL: Groesbeekseweg 404 (2)
 Nijmegen, NL: Groesbeekseweg 404 (2)  
Badhoevedorp, NL: Nieuwemeerdijk 404, letter box
 Badhoevedorp, NL: Nieuwemeerdijk 404, letter box  
London, UK: Arch 404, Long St
 London, UK: Arch 404, Long St  
George Town, Malaysia: Rickshaw 404
 George Town, Malaysia: Rickshaw 404  
Cagliari, Italy: CM bus 404
 Cagliari, Italy: CM bus 404  
Cagliari, Italy: Via San Giovanni, 403
 Cagliari, Italy: Via San Giovanni, 403  
Bosa, Italy: Via G. Deledda, lamppost 403
 Bosa, Italy: Via G. Deledda, lamppost 403  
Alghero, Italy: Ryanair flight FR 9232, galley compartment 404
 Alghero, Italy: Ryanair flight FR 9232, galley compartment 404  
Rotterdam, NL: Boijmans Van Beuningen museum, locker 404
 Rotterdam, NL: Boijmans Van Beuningen museum, locker 404  
Rotterdam, NL: Parking meter 403
 Rotterdam, NL: Parking meter 403  
Nieuw‑Vennep, NL: Noordelijke randweg, lamppost 404
 Nieuw‑Vennep, NL: Noordelijke randweg, lamppost 404  
The Hague, NL: KB (Royal Library), locker 404
 The Hague, NL: KB (Royal Library), locker 404  
Utrecht, NL: Central station, overhead wires mast 403
 Utrecht, NL: Central station, overhead wires mast 403  
Amsterdam, NL: DeLaMar theatre, coat hook 403
 Amsterdam, NL: DeLaMar theatre, coat hook 403  
Elst, NL: Railway switch 403
 Elst, NL: Railway switch 403  
Amsterdam, NL: Vlaamsch Broodhuys Vijzelstraat, seat 403
 Amsterdam, NL: Vlaamsch Broodhuys Vijzelstraat, seat 403  
St Paul's Bay, Malta: 404 Triq San Pawl
 St Paul's Bay, Malta: 404 Triq San Pawl  
Schiermonnikoog, NL: Fietsenopschier bicycle rental, bike 404
 Schiermonnikoog, NL: Fietsenopschier bicycle rental, bike 404  
Chicago IL, USA: 404 N May St
 Chicago IL, USA: 404 N May St