These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

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

The site of a mysterious pony massacre is rich with extraterrestrial conspiracy theories.

Canadian centennial project designed to gather information about UFOs.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

The only way to visit this old resort hotel is with scuba gear.

A small and quirky museum hidden inside a fence.

A floating cat sanctuary on an Amsterdam canal.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

This South London cemetery holds the remains of more than 15,000 people.

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

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The broken skateboards that became a poignant memorial to a murdered skater.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.