5 great language museums

• Esperanto Museum, Vienna
• Hungarian Language Museum, Sátoraljaújhely
• Wortreich, Bad Hersfeld (Germany)
• Linguistic Museum, Kiev
• Champollion Museum, Figeac (France)

5 great outdoor attractions

• Wall poems in 25 languages, Sofia
• Village-wide dictionary, Vnà (Switzerland)
• Whistled language, Kuşköy (Turkey)
• Runic graffiti, Venice
• Mysterious Sami (?) inscriptions, Käymäjärvi (Sweden)

5 remarkable minority languages

• Sorbian in Germany
• Gaelic in the Outer Hebrides (UK)
• Basque in Spain and France
• East and North Frisian in Germany
• Cimbrian, Catalan (!) and Ladin in Italy

5 great museums of language technology

• Louis Braille Birthplace Museum, Coupvray (France)
• Telegraph Museum, Porthcurno (UK)
• Gutenberg Museum, Mainz (Germany)
• Museum of Telecommunications, Kifisia (Greece)
• Royal Signals Museum, Blandford Forum (UK)

5 great miscellaneous places

• Kidimo letter shop, Paris
• Armenian alphabet monument, near Yerevan
• Basarabi cave complex, Murfatlar (Romania)
• Bodleian Library, Oxford
• Þjóðmenningarhús, Reykjavik

Hundreds more are listed in the guide. Download it!