In line with the Labor Day weekend 2013, numerous travel recommendations can be found all over the Net. But what if you try sifting through a list of places that can bring you utmost adventure since you may never heard of them before?

Whatever is your choice of Labor Day weekend destination, the places in this list can certainly make your 2013 weekend holiday truly memorable.

The Unknown Fortresses of Dun Aonghasa

Dun Aonghasa (Wikimedia Commons)

This is a highly popular destination you can find in Ireland but remains a mystery as to when and who built these fortresses. For sure, you can get a whole lot of clean air from the site.

Angel Falls

Angel Falls (Wikimedia Commons)

Love waterfalls? It is about time you come face to face with the world's highest. The Angel Falls is found in Bolivar, Venezuela. Its waters fall down at a 3,200 feet drop in a jungle that is completely remote.

The Wave

The Wave (Wikimedia Commons)

Located near the Arizona and Utah border, these stone sculptures appear in waves that are just simply spectacular. Experts say that its waves were caused by the mix of wind and rain erosion through a million years.

Lake Retba

Lake Retba (Wikimedia Commons)

This lake in the peninsula of Senegal is different from the rest due to its pink color. It is caused by an algae called the Dunaliella salina. It produces red pigment and it comes with lots of salt. It is even considered way saltier than Israel's Dead Sea during the dry season of the year.

Fly Geyser

Fly Geyser (Wikimedia Commons)

This Fly Geyser is located in Nevada and considered weird due to its being a natural phenomenon. Since the time that a geothermal company drilled the place for a test well during the 60s, its scalding water has never stopped gushing. Its results? It produces calcium carbonate deposits that appear as sculptures.

These places may be too weird for you to handle for a long weekend trip. Nevertheless, we wish you a happy 2013 Labor Day weekend!