The castle was commissioned by Baron Alexander von Fittinghof and built between 1859 and 1863 in the late Tudor Neo-Gothic style.  It is one of the most important monuments to this style in Latvia and has an ornate limestone façade.  The 7th Sigulda Infantry Brigade was housed in the castle from 1921 until 1940.  Today it is home to the Alūksne Museum with a permanent exhibition and an “environmental labyrinth.”  One of the most unusual exhibits is a set of fluorescent minerals that can be viewed under lights with various spectrums.

Muiža vēsturiskajos avotos ir minēta jau 1560. gadā. Tagad redzamā kungu māja ir celta no akmens 1805. g. Padomju laikos tajā atradās Matsalu rezervāta administrācija, bet mūsdienās ēkā ir izveidota viesnīca. Līdz muižai nokļūstam pa skaistu aleju, kuras apkaimē ir redzamas citas muižas kompleksa ēkas.

The estate owned by the dynasty of Baron Osten-Zaken was rebuilt in 1856 and 1857, because the old estate was sacked during the Crimean War (1853-1856).  At the beginning of the war, British warships bombarded Latvia's shoreline and ships with the purpose of scaring the Russian tsar.  Some of the gunfire hit Kolka, which was part of the Russian Empire at that time.  After the estate was destroyed, the so-called White House was built there with a series of ancillary buildings.  A mantel chimney was installed on the second floor, and it was used to smoke wild game (the chimney is still there).  The estate belonged to the aristocrats until 1919, when its last owner, Christian von Osten-Zaken, was shot in Tukums.  An elementary school, known as the Kolka School, was installed in the White House in 1929.  It remained open until 1961, when a new school was built.  Crafts lessons were offered at the building until 1989, at which time it was known as the Old School or the Small School.  In 1991, the Old School was taken over by the Faculty of Biology of the University of Latvia, and it has been used for summer internships for students ever since 1994.

On the left bank of the ancient Gauja River valley, between the Paparžu ravine and the ravine along which the Sigulda-Turaida road passes through the valley there are the ruins of a castle built by the Order of the Brethren of the Sword.  Construction on the castle began in 1207, and three decades later, in 1236, the castle was rebuilt for the needs of the Livonian Order.  The Sigulda Castle suffered much damage during wars in the late 16th and early 17th century.  During the Great Northern War, it was burned down and never restored.  What is there today is the south-western segment of the castle's convent building, as well as the tower of the main gate.  Beyond that is the internal forecastle, where there is an open-air stage for the annual Sigulda Opera Music Festival and other public events.  There are also impressive views of the ancient Gauja River valley, Krimulda and Turaida.  Reconstruction of the ruins is currently ongoing, and after the work is completed a second tower on the left side of the stage will be available to visitors.  The plan is to install crossings around the walls of the convent building.  Presently the ruins are available on a 24/7 basis and free of charge, but after the restorations are completed in 2012, admission will be charged.

The Kelme Estate is one of the last remaining provincial estates in Lithuania.  Designed in the Baroque style, it is a large and closed estate farm with many authentic buildings, gardens and bodies of water.  The geometric park is a vivid example of Baroque style, and it is divided up into various parts by alleys.  There is a viewing mound in the park.  Most of the trees are ancient, indeed, but the best part of the estate is behind it -- one large and three smaller ponds, as well as a viewing mount that is in the ancient park.

The Castle was built beside the Põltsamaa River in the 13th C and became the residence of Duke Magnus, King of Livonia in the 16th C. In the castle yard you find the tourist information centre, local history museum, wine cellar, Estonian Press Museum, art gallery, ceramic and handicraft workshop.
Põltsamaa has a fabulous Rose Garden, where tours can be booked to learn more about roses, legends and history of rose growing.

This is one of the most expressive estates built in the style of Romanticism.  Dating back to the 19th century, it is on a peninsula in Astravo, which can easily be reached from Biržu along the longest wooden bridge in Lithuania, crossing Lake Širvenos.  Covering 18 ha, the mixed-plan park was installed from 1851 until 1862.  Local fir trees, linden trees and pine trees grow in the park.

Muiža rakstos pirmoreiz minēta 17. gs. sākumā, taču klasicisma stilā celtās pils veidols tapis 1835. gadā. Penijē muižas būtisks likteņa pavērsiens (atšķirībā no daudzām citām muižām) bija apstāklis, ka tajā izveidoja Matsalu rezervāta (pirms nacionālā parka izveides) apmeklētāju centru. 2000. gadā muižas pili restaurēja un tajā ierīkoja nelielu ekspozīciju. Apmeklētāju centrs te pastāv joprojām, tādēļ šeit var iegūt nepieciešamo informāciju. No ārpuses var apskatīt arī citas muižas saimniecības ēkas.

The oldest elements of the Oleri Estate date back to the 17th century.  Initially there was a wooden mansion with an ancillary building.  The new centre was built in the late 18th century in the style of Early Classicism.  After agrarian reforms, the mansion housed an elementary school, and during the Soviet occupation and until the 1970s it was a school for children with mental disorders.  The mansion suffered in a fire in 2000, after which it was restored.  A local organisation was of great importance in this regard.  The mansion is known for its Classicist paintings, with a unique “Painting Gallery.”  The mansion is surrounded by a lovely park.  The Oleri Estate is known for hosting chamber music concerts.  The local Oleri swamp has a wooden pathway and a little viewing tower.

1339. g. Livonijas ordeņa mestrs (no 1328. – 1340.) Eberhards fon Monheims pašu zemgaļu 1286. g. nodedzinātās pils vietā uzceļ jaunu - mūra pili. To sešus gadus vēlāk nodedzināja lietuviešu karaspēks. Pili gan atjaunoja Kurzemes hercoga Ketlera valdīšanas laikā, taču Ziemeļu kara laikā - 1701. g. to atkal noposta zviedru karapulki. Līdz mūsdienām ir saglabājusies tikai no laukakmeņiem celtās pils sienas atliekas.