Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

The longest living non-clonal organisms on Earth.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

One thousand trees were planted in Norway to be used to print books a century from now.

Constantly maintained, this organ is playing a six-century long composition by John Cage.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

Cold storage for agricultural biodiversity.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

A local scoured more than 1,000 acres for stone to create his masterpiece.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

This abandoned cemetery has a dark past of bodies buried over bodies.