This life-size monument honors the legacy of a famous literary feline.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

A Hawaiian stairway to heaven—that you can't climb.

A unique collection of Western and Japanese-style graves.

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

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

Hiding in plane sight.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

An architectural oddity hides in plain sight on this iconic London bridge.

These Victorian era devil sculptures were designed to spite a local vicar.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Murals of the wild parties once held on the frozen River Thames.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

The original movie set for the home of 'Star Wars' hero Luke Skywalker.

The fifth-longest natural arch in the world, and the longest outside China.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

The final resting place of one of Germany's most accomplished Renaissance men.

Now owned by the National Park Service, this location was once home to illegal boxing matches.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.