Ecosystems

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

Six beautiful wooden giants are hidden around Copenhagen.

The strange and snarky traditions of the lumber industry's fraternal order began with five men waiting for a train here in Arkansas.

Granny Smiths and Fujis can both be traced back to Kazakhstan, where apples still grow wild.

A memorial sculpture to heath hens stands on the spot where the last heath hen, Booming Ben, was last seen.

The reason for the strange contortions in the trunks of these "drunken" pine trees in Russia is still a mystery.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

The abandoned mine where American troops discovered a treasure trove of art and artifacts hidden by the Nazis.

The long underground cave's curiously shaped stalagmites have inspired many legends.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Underground vaults of a former brewery beneath Brooklyn's Crown Heights are now used to ripen cheese.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.