The stick bug primarily depends on its camouflage to avoid predators. But when enemies get too close, this insect deploys peppermint as a last resort.

The White Pass & Yukon railway system was built in 1898, connecting Skagway, Alaska, to Whitehorse, Canada. Amazingly, it took inexperienced workers just two years to build it into the side of an ice-covered mountain.

Two scientists in Sydney, Australia, believe men and women have different finger length ratios due to testosterone levels. Not only that, they think it's a predictor of sexual orientation.

Imagine being on a Japanese high-speed train when an earthquake hits. This is a scenario that the Tokaido Shinkansen railway team has been planning for, for years.

In the 1860s, the Australian Outback was the scene of major railroad expansion. At the heart of it was an unusual animal helping haul people and cargo alike.

The ancient roads that lead into the peat bogs of central Ireland were impressive, but mystifying. For one thing, some of them just end in the middle of nowhere. Why?

As luxury liner Europa 2 docks into port, its chef de cuisine has a major challenge ahead: prepare lunch for his very discerning clientele, while also impressing his boss - whom he's meeting for the first time.

The Canadian passenger train has a unique streamlined design that goes back to the 1930s. It's a rare aesthetic, perfectly captured by this fan who makes replicas of them to sell, all over the world.

Ksiaz Castle in southern Poland sits atop a remarkable complex of underground tunnels built by the Nazis in 1944. Some experts believe these tunnels hold a still undiscovered secret... but what?

A single marula tree can provide up to 1.5 tons of fruit each season--as much as 90,000 fruits. That works well for the average elephant who needs to consume 6% of its own body weight each day and prefers only the ripest fruits.