In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

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

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

A network of concealed passageways lies within a busy London Underground station.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The largest greenhouse in the world is home to over one million types of plants.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A tongue-in-cheek arcade where the games are based on everyday life.

Famously misunderstood wonder of the ancient world

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The remnants of a strange stilted building on rails can still be seen at low tide.

Half-drowned wooden stumps and stone blocks are all that remain of a Victorian landing that was destroyed by storms.

This roadside attraction in the woods of Mississippi is a scalable replica of the Holy Lands during biblical times.

Every year, a Louisiana town remembers a brief Civil War truce inspired by Masonic brotherhood.

A Rodeo for Prisoners.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

The curiosities and wonders of pharmacy in a delightful historic building.

This church houses the “incorrupt” body of its founding Bishop.

This tiny 19th-century tunnel was built so a man could move his cows from one field to another.

An abandoned town is hidden in Great Smoky Mountains National Park.

One Confederate statue that accurately reflects the ugliness of its subject.

Railroad came. People came. Railroad left. Town died.