In 1922 a modern brick building was constructed at this time to serve as both the elementary and high school.

In addition, a wooden building was constructed to serve as an auditorium.

The red church building was constructed in 1955 to serve the Elsfjord area.

The building was constructed in 1915 to serve as a teaching school.

These two developments were built at the same time that a new high school was being constructed to serve the community.

An elementary school was constructed in 1927 to serve 300 students.

In 2003, a new building was constructed to serve the general aviation community.

The building was constructed from 1915 to 1916 to serve as Douglas' center of government.

In 2006, a visitor center was constructed to serve the site.

A larger building adjacent to the former post office was constructed to better serve its citizens.