Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A century-old tradition has culminated in a small but singular collection of feline effigies.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Exotic feline breeding compound and conservation center.

Once a prosperous mining village, this tiny Taiwanese town is now overrun with cute cats.

On Japan's Tashirojima Island, cats are king.

These lush botanical gardens employ the most purrfect pest control force.

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

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

A small poultry graveyard in the courtyard of a popular Key West watering hole.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

Rebuilt remains of a temple to Roman god Mithras.

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

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

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.

Hidden beneath the streets of London is a secret subway that only carried mail.

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

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

A beautiful Victorian-era cemetery, complete with a miniature village.