The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

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

From a distance, this statue of an eagle looks like a giant chicken on a stick.

With a surface area of nearly 500 square meters, welcome to the world's largest paraboloidal dish solar concentrator.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

A decommissioned military complex that's now a modern industrial park.

This quirky collection of furniture also happens to be a public art installation.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

A bit of retro transportation flair preserved in the world's largest department store.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

A pink and gray pair of pachyderms advertise a fireworks shop.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

A touching tribute to the "Queen of Soul."

A priceless collection of the Nation's cryptologic history.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Detroit’s downtown castle is one of the oldest structures in the city.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.