Walk into the 19th century without leaving Brooklyn.

The notorious headquarters of a corrupt political machine.

The site of the deadly Triangle Shirtwaist Factory Fire.

A terrific purveyor of natural history objects and curios.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

New York City's only preserved family home from the 19th century.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A boat ride through utter darkness, lit only by headlamps, reveals an emerald green pool locals believe is sacred.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

A comic book store that puts the marvel back in marvellous.

An unassuming London park is actually a pilgrimage site for modern clowns.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

This small collection of rare books was uniquely locked up for safe keeping.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

A friendly pub with a sordid past in cock fighting.

This secluded walkway overlooks a magnificently wild London green space.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

Charles Babbage's proto-computer, painstakingly brought to life.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

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