The Summer Solstice (June 21) is a big day for Stonehenge, arguably the most famous stone circle in the world. Find out why this prehistoric monument rocks -- in more ways than one --in this episode.

In this episode, Matt and Rachel explore the history and formation of the Giant's Causeway, a large series of basalt columns that stretches along the coast of Northern Ireland and into the sea. Tune in and get a closer look.

On Valentine’s Day, what could be more romantic than a trip on the Orient Express? Learn the history of this famous train and where it travels today.

Chinese New Year is on Jan. 31 this year and the China Spring Festival (as it is also known) is a time of feasting, fireworks and good fortune. Join Rachel and Matt as they discuss Chinese New Year traditions, from red envelopes to housecleaning.

The Pacific Northwest is home to large communities of orcas, particularly British Columbia and the area around Vancouver Island. Learn more about these killer whales (that aren't whales at all) in this episode.

The Rally will be held Jan. 5 – 18. What’s behind this road race of 8,000 kilometers though the roads, sand dunes, mud and grass of 3 countries in South America? Why did it change its route from Paris-Dakar to South America? Why does it stir up controversy? Tune in to find out.

Why are some foods considered to be lucky at year-end celebrations? Eat a Lucky New Year Meal! Who puts fish scales in their pockets? Tune in and learn the coolest stuff about the end of the year.

Christmas markets are a charming tradition from 1400s still celebrated today. Tune in to learn more about the Christmas Angel of the Nuremberg Fair and Christmas markets all over the world.

The lovely city of Venice has many nicknames, from La Serenissima (the most serene) to the Queen of the Adriatic. Take a virtual tour of Italy's famous "floating city" -- and learn some fascinating trivia along the way -- in this episode.

Famous as the place where Nelson Mandela (who died on Dec. 5) spent 18 years in prison, the island has been a leper colony, an insane asylum and is now a World Heritage Site and museum. It’s also full of wildlife, like seals and penguins.