
10. Ride the Trans-Siberian railway —
TripAdvisor has compiled a new list of 10 trips of a lifetime. Bring on the vodka -- you're going to need it if you plan to see the epic train journey in the number 10 slot though to completion. The Trans-Siberian Railway chugs its way across Russia over 9,300 kilometers (5,780 miles) of track, connecting Moscow to the far eastern port town of Vladivostok.

9. Set foot on Antarctica —
As any adventurer worth his or her worn-in "bunny boots" will agree, you ain't hardcore till your gnarled toes have stepped onto the coldest place on the planet.

8. Take the ultimate road trip —
Route 66 has been called "the most famous highway in the world," and it remains the ultimate road trip. More than 2,000 of Route 66's original 2,448 connected miles can still be driven.

7. Photograph the "Big Five" on safari —
For those wanting to photograph the "Big Five," -- plus a few extras -- there's South Africa's Kruger National Park. The largest game reserve in South Africa, it's home to over 500 bird species, 100 reptiles and nearly 150 mammals.

6. Visit Italy's Amalfi Coast —
The Amalfi Coast stretches 50 kilometers along the southern side of Italy's Sorrentine Peninsula. It was added to the UNESCO World Heritage list in 1997.

5. Explore the Galapagos Islands —
For a full-on Galapagos experience, there's the 10-day expedition with Lindblad Expeditions-National Geographic Endeavour. The ship lets passengers connect with life both above and below the waves through kayak and Zodiac excursions.

4. Trek the Inca Trail to Machu Picchu —
Best break in your hiking boots before tackling this one. The Inca Trail ain't easy but the payoff is definitely worth it.

3. Admire the sunset over Santorini —
Open any Greece travel brochure and chances are you'll see a shot of the famed blue and white domed houses of Santorini. But the island's sunsets, which rank up there with some of the best in the world, are just as deserving of travelers' attention.

2. Sleep in an overwater bungalow —
Nothing says "my vacation is way more awesome than yours" quite like an Instagram photo posted from the Four Seasons Bora Bora.

1. See the Northern Lights —
Akureyri, Iceland is one of many cool places to get a glimpse of the greatest show on earth, the Northern Lights.



