Tracking the 1,500-year history of Korea's star cabbage.

Various forms of phallic art decorate this hill in commemoration of legendary local tragedy.

One man and his wife have turned a barren Korean island into a fantastical botanical wonderland.

To enter the lower hall of this temple, you must first walk through a dragon.

A bright and wacky exhibit answers every question you may have had about human excrement, flatulence, and more.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

An architectural oddity hides in plain sight on this iconic London bridge.

One of the world's largest collections of pathological specimens.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

Hidden beneath the streets of London is a secret subway that only carried mail.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The final resting place to 300 Victorian-era pets hides inside the city park.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

The curios of pharmacist and collector Henry Wellcome.