Golden Gate Park's historic collection of plants.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

English antique dealers with a taste for the unusual.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A modern day curiosity cabinet.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

One of Ireland's most infamous prisons for rebels including men, women and children.

Abstract dinosaur models in London.

Three prestigious academic collections come together to create a world-class natural history museum.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

DIY collection of eclectic holdings.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

A wunderkammer hidden on the top floor of the Hartford statehouse.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.