Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

This unassuming building produced some of the world's most famous bells.

A relic of Victorian grandeur hides beneath a busy South London road.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

A unique tribute to the millions of animals who served and died for the British military.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

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

Dictionary Johnson’s favorite feline.

A cluttered and astounding collection of antiquities and curiosities.

A historic house left in "dramatic still life."

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

This innocent-looking townhome is actually a subway exit.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

Nope, not Washington Irving's house.

One of the only single-person private gravesites in New York City.

The competition: breathe deeply as long as you can.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

A sculptural commentary on capitalism pokes up from the East River.