The world's largest boar is a huge steel titan found at a French rest stop.

The somewhat misnamed 'Garden of Shells' lovingly built from found objects.

France's high-tech, future-themed amusement park.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

Hundreds of dwarf beeches create an unusual, haunting forest in the north of France.

Museum in a swimming pool where the water still flows.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

A startling, centuries-old subterranean marvel hides in plain sight.

Hidden in the shadow of a rocky fortress is one concubine’s long-forgotten legacy.

Sacred Indian temple that’s all monkey business.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

A striking symbol of the Bulgarian capital.

This historic black and white monastery is one of Bulgaria's architectural jewels.

An abandoned saucer-shaped monument in the Bulgarian mountains.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A cluttered and astounding collection of antiquities and curiosities.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

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.