This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A layered tribute to the work of mosaicist Isaiah Zagar.

World's first "penitentiary," meant to be humane, drove men insane.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

This secluded walkway overlooks a magnificently wild London green space.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

London's largest outsider art museum.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

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

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

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