A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The photographs of "fairies" that fooled much of the world (including the creator of Sherlock Homes) were taken at this English stream.

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

400-year-old garden, restored to beauty.

A small but immensely extravagant palace built by the "Night King."

An eerie, derelict amusement park in Berlin.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

The world's first ice hotel is still one of the most elaborate and beautiful.

The wilderness of northern Sweden is full of shelters to protect people from sounding rockets returning from space.

A semi-abandoned village destroyed by U.S. bombings during World War II dominates the valley of Turano.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This 1920s Dutch barge is now a floating bookstore.

Go through the looking glass in Tokyo's Wonderland-themed shop.

Every color in the rainbow awaits.

On Japan's Tashirojima Island, cats are king.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

These morbid carvings remind churchgoers of the inevitability of death.

This overlooked street light once served as a KGB dead letter box.

A writer's tiny retreat built from salvaged shipwreck timbers.