Stand at the center of this lakefront sundial, and you'll become part of the timepiece.

Scary metal statues adorn some of the signature buildings of Burlington, Vermont.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

World War II-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

An ethereal glowing blue ocean cave in Croatia.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Banksy's image of a naked man dangling from the window of a sex health clinic.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

A hands-off space for graffiti artists to hone and display their skills.

One part local history, 99 parts gruesome haunted house.

This London plaque marks the spot where David Bowie's famous alien made his debut.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Elevated freight railway turned wildly successful urban park.

The first piece of public art dedicated to LGBT rights.

A reminder to choose water over wine since 1888.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.