AP, have a look at Elkutna cemetery, these tiny houses standing upon the graves...
I read that sometimes graves are covered with blankets so that "the dead feel comfortable at cold Northern nights"

"Spirit Houses" are an Athabascan, or Denai'a, tradition. They aren't necessarily on the actual gravesite; most often they are not.
"Cities of the dead" are not unknown to Western tradition. Look at New Orleans...

Also, keep in mind that Eklutna is a suburb of Anchorage. Residents of Eklutna shop at Safeway, WalMart, and NAPA and watch MTV while they wait for pizza delivery. Their kids attend Anchorage public schools and drive Chevys. Spirit houses are a cultural relic, done mostly as a way to remember the old ways.
But like I mentioned before, there is no monolithic Alaska Native culture at all.
Alaska's aboriginal peoples can be classified into 11 distinct cultures that speak at least 20 different languages, however it is convenient to talk about 5 broad cultural groups.

"The Athabascan people traditionally lived in Interior Alaska, an expansive region that begins south of the Brooks Mountain Range and continues down to the Kenai Peninsula. There are eleven linguistic groups of Athabascans in Alaska. Athabascan people have traditionally lived along five major river ways: the Yukon, the Tanana, the Susitna, the Kuskokwim, and the Copper river drainages.
Athabascans were highly nomadic, traveling in small groups to fish, hunt and trap."
Highly nomadic indeed. The Dene'(Navajo)in Arizona people speak the same language as the Dena'i in Alaska because they are the same people...
" The southwest Alaska Natives are named after the two main dialects of the Yup'ik Eskimo language, known as
Yup'ik and
Cup'ik. The estimated population, at the time of contact, was: Nunivak 500, Yukon-Kuskokwim 13,000 and Bristol Bay 3,000. The Yup’ik and Cup’ik still depend upon subsistence fishing, hunting and gathering for food. Elders tell stories of traditional ways of life, as a way to teach the younger generations survival skills and their heritage. "
" The
Inupiaq and the St. Lawrence Island Yupik People, or “Real People,” are still hunting and gathering societies. They continue to subsist on the land and sea of north and northwest Alaska. Their lives continue to evolve around the whale, walrus, seal, polar bear, caribou and fish.
The north and northwest region of Alaska is vast. The land and sea are host to unique groups of people. To the people of the north, the extreme climate is not a barrier, but a natural realm for a variety of mammals, birds and fish, gathered by the people for survival.
Main Groups
The Inupiaq and St. Lawrence Island Yup'ik tended to live in small groups of related families of 20-200 people. Population at time of contact included five main units:
1,500 St. Lawrence Island Yupiit
1,820 Bering Strait Inupiat
3,675 Kotzebue Sound Inupiat
1,850 North Alaska Coast Inupiat (Tareumiut, people of the sea)
1,050 Interior North Inupiat (Nunamiut, people of the land)"
The spectacular Inupiat and Yupit cultures are the classic "Eskimos" of Western lore.
"Who we are:
The
Aleut and
Alutiiq peoples are south and southwest Alaskan maritime peoples. The water is our living, whether it’s the creeks and rivers near villages, the shore outside or the vast waters of the North Pacific and Bering Sea. Knowledge of these resources and skill in harvesting them define the cycle of life in a village. The intensity of the weather that travels through our islands governs activities more than any other factor.
The Aleut and Alutiiq cultures were heavily influenced by the Russians, beginning in the 18th century. The Orthodox Church is prominent in every village, Russian dishes are made using local subsistence food, and Russian words are part of common vocabulary although two languages, Unangax and Sugcestun, are the indigenous languages.
Main Groups
The territory of the Aleut and Alutiiq stretches from Prince William Sound to the end of the Aleutian Islands. There are also over 300 Aleuts in Nikolskoye on Bering Island, Russia. Linguists estimate that the Aleut language separated from the earlier Eskimo languages 4,000 years ago. Anthropologists have classified the Alutiiq people into three basic groups,
* Chugachmiut or Chugach of the Prince William Sound area,
* Unegkurmiut of the lower Kenai Peninsula, and
* Koniagmiut or Koniag of the Kodiak Island and Alaska Peninsula.
The suffix "-miut" is added to names signifying “the people of” a certain place. Thus, each village has a name for its people and each regional area has a name for its people. The people of Kodiak Island, for example, were called Qikertarmiut meaning “people of the large island.”
Archaeologists estimate that some of the "Ocean Bay culture" sites on Kodiak are over 9000 years old, as are some village sites on Unalaska Island.
"
The Eyak, Tlingit, Haida and Tsimshian share a common and similar Northwest Coast Culture with important differences in language and clan system. Anthropologists use the term "Northwest Coast Culture" to define the Eyak, Tlingit, Haida and Tsimshian cultures, as well as that of other peoples indigenous to the Pacific coast, extending as far as northern Oregon. The Eyak, Tlingit, Haida and Tsimshian have a complex social system consisting of moieties, phratries and clans. Eyak, Tlingit and Haida divide themselves into moieties, while the Tsimshian divide into phratries. The region from the Copper River Delta to the Southeast Panhandle is a temperate rainforest with precipitation ranging from 112 inches per year to almost 200 inches per year. Here the people depended upon the ocean and rivers for their food and travel.
Although these four groups are neighbors, their spoken languages were not mutually intelligible.
* Eyak is a single language with only one living speaker
* The Tlingit language has four main dialects: Northern, Southern, Inland and Gulf Coast with variations in accent from each village
* The Haida people speak an isolate (unrelated to other) language, Haida, with three dialects: Skidegate and Masset in British Columbia, Canada and the Kaigani dialect of Alaska
* The Tsimshian people speak another isolate language, Sm’algyax, which has four main dialects: Coast Tsimshian, Southern Tsimshian, Nisga’a, and Gitksan.
Eyak occupied the lands in the southeastern corner of Southcentral Alaska. Their territory runs along the Gulf of Alaska from the Copper River Delta to Icy Bay. Oral tradition tells us that the Eyak moved down from the interior of Alaska via the Copper River or over the Bering Glacier. Until the 18th century, the Eyak were more closely associated with their Athabascan neighbors to the north than the North Coast Cultures.
Traditional Tlingit territory in Alaska includes the Southeast panhandle between Icy Bay in the north to the Dixon Entrance in the south. Tlingit people have also occupied the area to the east inside the Canadian border. This group is known as the “Inland Tlingit”. The Tlingits have occupied this territory, for a very long time. The western scientific date is of 10,000 years, while the Native version is “since time immemorial.” "
http://www.alaskanative.net/8.asp