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

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

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.

A world of craftwork elegantly curated in a historic brick warehouse.

Humboldt's human-powered sculptures race across land and sea for days on end in a wacky quest for dominance.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

This legendary urban waterfall creates a dazzling display of rainbows.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

This black shoreline is made up of exploded lava particles.

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

This unusual lava tube spouts seawater during high surf.

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

Get up close and personal with these majestic fish.

This natural marble cave is one of only five national monuments in Oregon.

Shakespeare has been brought to life in this open air theater for the better part of a century.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

Canyon walls shrouded in ferns.

Folk art crafted from discarded vegetable crates.

Commonly referred to as the most photographed Victorian home in the United States.

The haunting ruins of Jack London's dream house.

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

The 28-foot granite map plots the locations of 40 theaters in New York City.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.