This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

A hidden alley in urban Baltimore is a haven for graffiti artists.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This small-town pizzeria won the Hollywood lottery.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

A terrific purveyor of natural history objects and curios.

A collection of full-size movie monsters opened to the public.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Yo, Adrian!

Huge masonic hall in Philadelphia with lavishly themed rooms.

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

Walk through the history of American pop culture.

The land is home to swimming ponies and a legendary 18th-century treasure.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

This free, take-a-book shop seems like a trick but isn't.