This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

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

This World War II-era bunker is now packed with posters and props from movies and TV shows filmed nearby.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

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

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

During the solar phenomenon "Lahaina Noon" this bendy, curvy sculpture forms a perfectly circular shadow on the ground.

A whimsical bridge adorned with decorative dragons.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

At first glance, little checkered structures on the hillside look like they house the living, not the dead.

A commemorative plaque at the door pays tribute to an "American Patriot" known for his betrayal.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A unique seaside cave where Aleister Crowley faked his own death.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

An old, deep well, connected with a miraculous, divine rescue and the patron saint of Madrid.

A 19th-century architectural masterpiece with ties to Gustave Eiffel.

Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

This tiny, tranquil Senegalese island serves as a powerful symbol of the Atlantic slave trade.