Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Legend has it this gnarled old tree was planted by Tsar Peter the Great during his visit to London.

You can spend the night in Dr. Frank-N-Furter's castle.

Inside a London bookstore, a fireplace that once belonged to the illustrator responsible for a famous set of tarot cards.

This toxic spoil heap found a second life as a ski slope, popular film location, and wildlife haven.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

A floating cat sanctuary on an Amsterdam canal.

Model Trains and Much More in Hamburg.

A fascinating little museum dedicated to the thousands of chemical substances concealed in our food.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

Local legend says the remains of Father Christmas lie within the medieval grounds.

A turn-of-the-century prophecy comes true when a mischievous wooden Devil watches the neighboring church burn to the ground

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

Climb right into the heart of this colorful Iceland volcano.

One of the oldest medical collections in Europe focusing on rare surgical instruments.