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

Eighty million natural history specimens call this gargantuan museum home.

This hidden green space is the city's second largest conservatory.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

Catacombs turned marketplace.

A student driver's nightmare.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

A hands-off space for graffiti artists to hone and display their skills.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

This 1920s Dutch barge is now a floating bookstore.

Banksy gives themself artistic license with this piece of London street art.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

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

One of the most remarkable caves in all of Iceland was created by a once raging river of lava.

Dozens of large, brightly-colored paintings adorn the walls of the "street art capital of Iceland."

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

Two whaling vessels that were sunk by an anti-whaling organization in 1986 now sit on the shore of this beautiful fjord.

A geothermal paradise with bubbling mud pools and bright blue hot springs.

A real-life homage to the Rachel McAdams and Will Ferrell's fictional Eurovision musical duo.

A geothermal pool in North Iceland that is said to be the bathing spot of the legendary Grettir the Strong.

Though they may seem like simple stones, these rocks represent a ghostly legend.