Updated January 2018

Some beautiful spaces I have come across that I would recommend to others:

Ahimsa House, Philadelphia

I walked almost 1,000 kilometers along the Camino de Santiago, Spain (walking pilgrimage across Spain). Some places I would recommend for other pilgrims:

La Casa Magica, Villatuerta

Hospital de Alma, Castrojeriz

Albergue Verde, Hospital de Obrigo

El Serbal y La Luna, Pieros

La Casa del Alquimista

Do Sol e da Lúa, Finisterre 

Visit here for more details (addresses, phone numbers, etc.) about most of the places listed above

Vietnam

I motorbiked from Ho Chi Minh City to northern Vietnam along the border of China and Vietnam

Estimated trip time: 6 weeks 

You can read this post for more information.

India

Auroville, Tamil Nadu