A unique seaside cave where Aleister Crowley faked his own death.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

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

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Pagan monument converted to Christianity with the population.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

A public urinal so pretty, it was declared a national monument.

A scrap-metal sculpture recalls an infamous 19th-century camel.

Rare recess caves fill this unbelievably beautiful Ohio park.

Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Bouncing, delightful, mechanical art at the MIT Museum.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Civil War Fort on an island in the Boston Harbor.

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

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

This impressive Boston holy house is the American mecca for Christian scientists.

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

The world's largest piece of copyrighted artwork.