You can still walk across this beautiful medieval bridge in Andorra.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Art in the form of a winding, man made crack in stone.

The only surviving fragment of the lost Narragansett Pier Casino.

Faceless white figures loom over the city from the rooftop.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

Olfactory delights in San Francisco's Botanical Gardens.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

A miniature view of the park, caught in time.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

'Cause the fence start shaking, the earth was quaking.

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

This historic patch of real estate offers a glimpse of colonial Boston.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

The infamous Boston Mob ran rackets from an office here in the 1970s.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

Where the lovelorn find a home for their sentimental keepsakes.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A musical instrument played by the sea.