The footprint of a frustrated devil in Munich's Cathedral.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

For 20 years, local pumpkins have met their fate on the iron fence surrounding this Cobble Hill home.

A collaborative art project that transformed a neighborhood in NYC's Queens.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

The floor-to-ceiling collection in an old factory is a unique alternative to stuffy galleries.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

The absurd creation is a compulsory destination for selfies in Buffalo.

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

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

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.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

New York City's smallest piece of private property.

Rippling sand dunes frozen in the Arizona rock.

A one-of-a-kind collection of a unique medium.