Just like in Hollywood, Madrid has also a forgotten walk of fame.

This lucky bronze frog was gifted to Madrid by a casino.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

The remains of this misplaced church were moved here stone by stone.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Commonly acknowledged as the only public monument to the Devil himself.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

Step into a pastel time capsule where candy is truly dandy.

The world's brightest bioluminescent bay.

Hidden behind a YMCA stands the remains of a ceremonial site that dates back hundreds of years, whose ground is still considered sacred to many Hawaiians.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Hiding in plane sight.

A giant donut stands as a popular symbol of Los Angeles iconography.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

This mom-and-pop Japanese sweets shop has been serving cloud-light mochi for almost a century.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

Race through the maze, get your name on the sign.

A 1940's shrine dedicated to drowned fishermen on the outskirts of Honolulu.

This former luxury resort in Kaua'i is now an abandoned relic.