These plaques located in a court preserve a small piece of Edinburgh's history.

The oldest living organism in New York City. Maybe.

This giant Massachusetts sycamore is said to hold the dubious distinction of being the "widest tree East of the Mississippi!"

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

This weird, elephant-shaped rock also hosts two ancient tombs.

Crushed coral and crystals give the sand its signature coloration.

Windblown rock formations in an ancient Roman quarry.

Mysterious tombstones thought to be remnants of Atlantis.

The art and history of the velvet painting are on full display in this Los Angeles museum.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

Rare collectibles from automated musical instruments to 250 unique automobiles.

A little barn in the middle of the city preserving Hollywood treasures since 1985.

Celebrating the accomplishments of Black firefighters in Los Angeles.

Wild West history in Hollywood style.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

A living descendant of the famous tree that helped Isaac Newton develop the theory of gravity.

This giant subway sculpture celebrates the fruit that inspired the theory of gravity.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

A mythical garden that once grew the golden apples of wisdom is said to have existed in this ancient Moroccan city.

For a buck, students can snag freshly picked apples grown in the university orchards.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.

The proud hometown of an American legend has honored their favorite son with what seems to be a gravestone.

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

This giant roadside fruit is home to an array of apple-based treats.