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

Cat art as far as the eye can see.

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.

This unassuming oasis elevated just above the busy streets of Jerusalem offers one of the best views of the Old City.

This "Jewish Sistine Chapel" was designed to reinvigorate Judaism's artistic legacy but was almost lost to misguided restoration.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Sitting right on the border between East and West Jerusalem this modern art museum is in itself a symbol of Israel's hoped-for unity.

A 2,000-year-old wine press hidden in an overlooked park in Tel Aviv.

You can row a boat through this ancient underground reservoir.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

This family tattoo parlor has been inking religious pilgrims in the Middle East for 700 years.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

A tongue-in-cheek arcade where the games are based on everyday life.

A 30-acre garden inspired by the principles of modern physics.

The atmospheric road was never meant to be so creepy.

The sign at the garden gate reads: "These Plants Can Kill."

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A kaleidoscopic warehouse-maze of handmade neon signs.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

This grubby wall is said to be one of the Earth's esoteric energy centers.

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.