Northern Ireland's Giant's Causeway -- a massive rock formation of 40,000 natural columns shaped into strangely perfect hexagons -- is a wild attraction millions of years in the making.
The Akihabara District of Tokyo is one of the best nerdy destinations on earth. CNET called this destination a "mecca of cheap electronics and gadget goodness."
As the vast collection of wonderfully weird artwork is already hosting algae and coral growth, the eerie submerged museum is also the world's largest artificial reef.
Nobody's ever accused Imperial County of being a U.S. tourist hotspot, but it does have one incredibly recognizable and photogenic destination that welcomes all comers.
There, you'll find lots of cheap and fresh-picked health food, homemade living spaces, stalls selling illegal hash and heaps of crafts.
Icehotel is exactly what it sounds like: a hotel made entirely of ice. If that's somehow not weird enough for you, this Jukkasjärvi destination has a few more tricks up its sleeve.
For another outside-the-box art adventure, the uber-hip Hostel Celica in Ljubljana offers a vacation spot in a place you'd least expect: the reformed interior of a military prison.
Simon Zhelyazkov, founder of Backpack Moments, recommends this trip: "The Aral Sea was the fourth-biggest lake in the world in the 1950s, but today is just 10% of what it once was.