This London plaque marks the spot where David Bowie's famous alien made his debut.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

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.

Two giant painted cooling towers make for one of the world’s most epic bungee jumps.

A supply store for traditional healers, this shop sells the hair of a dog--and its skin, skeleton, and reproductive organs, too.

One of the tallest buildings in Africa provides a great view of Johannesburg's unique geography.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

The house where John Wilkes Booth conspired with his co-conspirators.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

Politicians, bureaucrats, and military officers gathered in this field near the Capitol to settle their disputes with blood.