Question: What is one of the three landmarks located near the border in Colotado?

Context articles: The Big Oak
Pan Gate
Austrian border barrier
Asbury Lanes
Ikoyi Cemetery
Cimarron National Grassland
List of National Historic Landmarks in Tennessee
Aroostook Valley Country Club
Dhapa, India
Point of Rocks (Kansas)

The Big Oak is a large live oak ("Quercus virginiana") located in Thomasville, Georgia, in the United States at the corner of Crawford Street and Monroe Street.
 The Big Oak is one of many historic landmarks located in Thomasville.
 The Big Oak was one of the earliest trees registered with the Live Oak Society.
 Registered by P.C. Andrews in 1936, the Big Oak was the forty-ninth live oak registered.
 At the time of registration, the Big Oak's girth was 21 feet 6 inches.
Pan Gate, Pan Men, or Panmen (; Suzhou Wu: Boe men, ] ) is a historical landmark in Suzhou, Jiangsu, China.
 It is located on the south-west corner of the Main Canal or encircling canal of Suzhou.
 Originally built during the Spring and Autumn period in the state of Wu, historians estimate it to be around 2,500 years old.
 It is now part of the Pan Gate Scenic Area.
 It is known for the "three landmarks of Pan Gate".
 They are the Ruiguang Pagoda, the earliest pagoda in Suzhou built in 247, the Wu Gate Bridge, the entrance to the gate at that time over the water passage and the highest bridge in Suzhou at the time, and Pan Gate.
 The Ruigang Pagoda is constructed of brick with wooden platforms and has simple Buddhist carvings at its base.
Austrian border barriers are border barriers and migration management facilities constructed by Austria between November 2015 and January 2016 on its border with Slovenia and in 2016 on its border with Italy, as a response to European migrant crisis.
 They are located on internal European Union borders, since Austria, Italy and Slovenia are members of the EU and the free travel Schengen Area with a common visa policy.
 The barrier on the Slovenian border is several kilometers long, located near the busiest border crossing, Spielfeld-Šentilj and includes police facilities for screening and processing migrants.
 Another migration management facility with barriers located on Austria's Italian border near Brenner, South Tyrol was constructed in 2016.
Asbury Lanes located in Asbury Park, New Jersey is a vintage bowling alley and bar with live performances ranging from live musical acts, burlesque, hot rod, dance parties, film and art shows.
 It is one of the many historic music landmarks located within Asbury Park.
 These include The Stone Pony, the Wonderbar, the Saint and the Fastlane.
Ikoyi Cemetery is one of many landmarks located in Ikoyi, part of the Eti Osa local government area of Lagos state, Nigeria.
 Many prominent Nigerians such as Herbert Macaulay are interred at Ikoyi Cemetery.
Cimarron National Grassland is a National Grassland located in Morton County, Kansas, United States, with a very small part extending eastward into Stevens County.
 Cimarron National Grassland is located near Comanche National Grassland which is across the border in Colorado.
 The grassland is administered by the Forest Service together with the Pike and San Isabel National Forests and the Comanche National Grassland, from common headquarters located in Pueblo, Colorado.
 There are local ranger district offices in Elkhart, Kansas.
 The grassland is the largest area of public land in the state of Kansas.
Following is a list of sites and structures in Tennessee that have been designated National Historic Landmarks.
 There are 29 National Historic Landmarks located entirely in the state, and one that includes elements in both Tennessee and Mississippi.
 Two former National Historic Landmarks, whose designations were withdrawn, are also listed.
 All National Historic Landmarks are listed on the National Register of Historic Places.
The Aroostook Valley Country Club is a golf course which straddles the Canada–US border, between the U.S. state of Maine and the Canadian province of New Brunswick.
 The club, located near Perth-Andover, New Brunswick and Fort Fairfield, Maine, has its course and clubhouse on the Canadian side of the border and its parking lot and pro shop on the American side.
 Although the course is located entirely on one side of the border, three holes are close enough to the border that crooked shots enter the United States.
 The club was founded in 1929; its position on the border allowed American golfers to bypass Prohibition without passing through customs.
 Current club membership is roughly half Canadian and half American.
Dhapa is located near the Parama island on the Eastern Metropolitan Bypass, on the eastern side of Kolkata.
 The Eastern Metropolitan Bypass lies on the east, Beleghata/Tangra/Sealdah on the west, China Town on the south and the Metropolitan Cooperative Housing Society on the north.
 The closest landmarks near Dhapa are the ITC Sonar hotel & Silver Spring housing which fall on the east side, Milan Mela ground or the permanent trade fair ground which is on the south side and Mathpukur five point crossing which is on the west side.
 In the West side of Dhapa an oldest and important landmark exist which is the Awatar Bhavan that has Dhapa Post Office in it.
 It also has the St. Thomas school.
 This building was once built by Late Yadunandan Singh in the year 1920 and is currently owned by his son Shatrughna Prasad Singh.
 Apart from that some other old landmarks are Dhapa Kutchery also built by Late Yadunandan Singh in 1920's.
Point of Rocks, in Morton County, Kansas, was one of three landmarks by the same name on the Santa Fe Trail.
 This one was on the Cimarron cutoff.
 It is now part of Cimarron National Grassland.