The world's second-largest sundial, made entirely out of stone.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Microscopic scenes; some call it novelty, some call it art.

Macabre astrological automaton clock dating to the late 1400s.

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

A bit of retro transportation flair preserved in the world's largest department store.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Slyly buy a shake in the Parker Meridien lobby.

A very classy 1920s-era bar right in Grand Central Station.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Unlock the secrets of the conjuring arts.

Prove you deserve to be fed by Kenny Shopsin.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Peek through the gates at this oasis from the city, full of Old English charm.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

New York's oldest magic store.

Tucked in the back of this amazing antique store is an important piece of medical history.

Because there's no place like home.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.