Secret Marvels of the World
360 Extraordinary Places You Never Knew Existed and How to Find ThemBook - 2017
"Featuring communist bunkers, burning gas craters and at least one sponge-rock flourescent grotto built by Polish monks, this book reveals weird and wonderful sights that the crowds don't reach. From eerie natural wonders to historical oddities and bizarre architecture, this is a travel companion for the incurably curious" -- page 4 of cover.
Publisher: Carlton, Victoria, Australia : Lonely Planet Global Limited, 2017
Edition: 1st edition
Characteristics: 304 pages : illustrations (chiefly color), maps ; 25 cm
Alternative Title: Lonely Planet secret marvels of the world