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

A cluster of granite granaries perched on stilts.

You can cross from one country to another in a single hop on this little bridge.

This charming candle shop has been in business since 1789.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

A small Portuguese cottage formed between boulders in the countryside.

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

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

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

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Houses are tucked between, on, and underneath giant boulders.

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

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.