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

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

A unique set of caves that spits waves back out into the ocean.

This unusual lava tube spouts seawater during high surf.

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

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.

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

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

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

Every plane, auto, and bicycle in this collection is kept in working order and are regularly demonstrated to the public.

Built for television, this statue now serves as an unlikely memorial to a fireman who died on 9/11.

This architectural onion has an original 1930's Jerry O'Mahony dining car at its core.

A roadside park in eastern Maine first marked the halfway point between the equator and North Pole with a brass pin in 1896.

This candy-striped tower is the farthest east you can go in the United States.

The largest tidal whirlpool in the Western Hemisphere.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

This 19th century granite fortification is one of the most well preserved forts in New England.

This colorful theme park dedicated the official fruit of Maine serves sweet, tasty treats.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The eccentric mansion of one the most popular horror authors of modern times.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

Men and special assistants stand by the road to sell the day's catch in this lakeside village.

Hundreds of intricately carved Armenian stone crosses can be found within this huge cemetery.