1. Hike to the top of Half Dome.

Fun Fact: Millions of years ago, Half Dome was much larger than it is today, but glaciers carried away 20% of the granite formation's mass.

2. Go dog sledding in Alaska.

Fun Fact: The Iditarod is the most famous dog sledding race in the world which takes place annually in Alaska and covers over 1,000 miles of Alaskan wilderness.

3. Visit Japan when the cherry blossoms are in bloom.

Fun Fact: The Japanese word for cherry blossom is "sakura", which has recently spiked in popularity as a girl's name in Japan.

4. Float in the Dead Sea.

Fun Fact: It's almost impossible to dive into the Dead Sea due to its unusually high salt concentration.

5. See the Aurora Borealis in person.

Fun Fact: In Norse mythology, the Aurora Borealis guided those who had fallen in battle to Valhalla, the final resting place for honorable warriors.

6. Look out over the Grand Canyon.

Fun Fact: While fossilized footprints of reptiles and amphibians have been found in the Grand Canyon, no actual bones and teeth have been discovered.

7. Kayak through the glow worm caves in New Zealand.

Fun Fact: The light actually comes from the glow worm's larvae, not the worms themselves.

8. Go on an African safari adventure.

Fun Fact: If you see elephants on your safari, you might notice that they favor one tusk over the other, similar to how humans are either right-handed or left-handed.

9. Zipline in Costa Rica.

Fun Fact: Ziplines were originally popularized by wildlife biologists in Costa Rica who wanted to study the rainforests without disturbing the flora and fauna.

10. Go surfing in Hawaii.

Fun Fact: Surfing was once a sport reserved only for Polynesian royalty, earning it the nickname "the sport of kings".

11. Explore the exterior of the Parthenon in Greece.

Fun Fact: The Parthenon was an ancient temple dedicated to Athena, the Greek goddess of wisdom and war.

12. Attend a lantern festival in Thailand.

Fun Fact: Different colored lanterns represent different wishes and desires–red for celebration, purple for opportunity, green for growth, white for good health, and pink for love.

13. Go ghost hunting in the Catacombs of Paris.

Fun Fact: Every November 3, the ghost of Philibert Aspairt, a man whose body was recovered 11 years after he wandered alone into the tunnels in 1793, is said to haunt the galleries of the catacombs.

14. Kiss the Blarney Stone and receive the Gift of Gab.

Fun Fact: Though the stone's origins are debatable, most believe that its enchantments were revealed to the MacCarthy family by a witch saved from drowning.

15. Visit Zimbabwe's Victoria Falls.

Fun Fact: At night, the moonlight creates a rainbow over the waterfalls known as "Moonbow".

16. Scuba dive in the Great Barrier Reef.

Fun Fact: The Great Barrier Reef, which is the world's largest coral reef, houses Nemo and Marlin's sea anemone in the 2003 Pixar classic "Finding Nemo".

17. Spend a night in Sweden's Icehotel.

Fun Fact: The hotel is sculpted with ice from the Torne River in the winter and melts back to its water source in the summer.

18. Ride a gondola through Venice.

Fun Fact: Gondolas were once the main form of transportation in Venice until the end of the 16th century when they caused aquatic traffic jams throughout the canals.

19. Spend spring break at the Disney World Resort.

Fun Fact: Disney World is the size of San Fransisco or two Manhattans, yet Disney still owns 9,450 acres of undeveloped land in Florida.

20. Cheer for Tour de France cyclists in person.

Fun Fact: Only 10 cyclists managed to complete the Tour de France in 1919, the lowest number of finishers in race history.

21. Helicopter over Bora Bora.

Fun Fact: The island was originally called "Pora Pora" by the Tahitian natives because the Tahitian alphabet did not contain the letter "B", but the European settlers misheard the pronunciation.

22. Taste test street food is South Korea.

Fun Fact: In South Korea, it is illegal to marry another person with the same surname, and yet half of the population has identical surnames.

23. Spend all day reading in the Trinity College Library.

Fun Fact: This famous Irish library contains the Book of Kells, an ancient manuscript of the Christian Gospel illustrated by Celtic monks.

24. Visit the Portland Head Lighthouse in Maine.

The Portland Head Lighthouse is one of the oldest lighthouses in the United States as it was built over 200 years ago.

25. Explore Angkor Wat in Cambodia.

Fun Fact: The Angkor Wat temple was dedicated to the Hindu deity Vishnu, which was unusual at its time of construction as most temples were dedicated to the reigning king.