A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

A floating cat sanctuary on an Amsterdam canal.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's only museum devoted to the wonders of fluorescence.

A beautifully eclectic mix of architectural styles.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

Final resting place of one of the classic authors of horror literature.

This 50-foot rock formation looked like a face that was once believed to be that of a Native American chief.

An alternate history park where the Union Army loses the war... to dinosaurs.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

Every drop of D.C. tap water flows through this old waterworks.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

An annual extravaganza of Broadway theater memorabilia.

Avoid gangster interaction while window-shopping.

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

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

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

An unassuming secret door once led to a legendary watering hole.