Lets list all the books related to travels.
Alhamdulillah I know of the following books.
1. We all have heard of Return journey [travels through central asia] of Shaykh Zulfiqar db.
2. Similar book by Hadrath Raabe Hussaini Nadvi db. [Travels through Samarkhand and Bukhara]
3. The adventures of Ibn Battuta rh by Ross e Dunn.
4. The travels of Ibn Jubayr rh by Roland Broadhurst.
I have some more will post later