At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

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

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

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

A giant toy jack made of numerous welded-together fire hydrants.

A massive sustainable farm designed by the mastermind behind Central Park.

According to folklore, Vermont's slanted windows were installed to keep witches from flying into the house.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

Over fifty whirling pools left by the glacial age.

An ancient iron pillar in Delhi that seems to be rustproof.

A giant bug impaled on a 75-foot-tall needle.

A little sculpture with a large wardrobe.

Cozy basement bar sports an inventory of over 2,000 beers.

Brussels' favorite peeing boy has a sister.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Two thousand artifacts from around the world collected by one woman who loved to travel.

An enormous, inside-out glass globe built in 1935.

This massive World War II calculator hearkens back to the days when "computer" was a job title.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.