An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The fountain marks the area where hundreds of accused witches were burned at the stake.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The hallucinogenic center of the ancient world.

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

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

Geothermal waterfalls in Tuscany.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Walk 2,300 feet above the ground on the "Troll's Tongue."

A surrealist timepiece by the artist of melting clocks.

An ethereal glowing blue ocean cave in Croatia.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

This semi-secret storybook hedge maze is also the oldest garden in the city.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The longest hedge maze in the world.

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.