A controversial memorial at the place where Captain Cook met his violent end.

This blowhole is supposedly caused by a trapped monster.

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

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

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

A tunnel of hardened lava along Maui’s famous Road to Hana.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

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

These ancient sacred grounds granted amnesty to those who managed to reach them.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

There's an exclusive Beefeaters pub hidden in the Tower of London.

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

Filled with history, this cemetery is maintained each summer by a few hungry goats.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Hear the tales of New York's most notorious criminals.

This award-winning men's bathroom was just too beautiful to not allow women to see.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Ride the subways of yesteryear.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.