This legendary urban waterfall creates a dazzling display of rainbows.

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

This unusual lava tube spouts seawater during high surf.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

This blowhole is supposedly caused by a trapped monster.

Images chiseled into the basalt here date back an estimated 300 years.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

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

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

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

A comprehensive collection of bonsai set in a beautiful campus.

This 329-acre nature park is Lake Washington's largest remaining wetland ecosystem.

This cave holds a surprisingly colorful variety of geological oddities.

A bypass decorated with large wooden troll carvings.

One of Frank Lloyd Wright's final works was this UFO church.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

Statue dedicated to the star of an old television show.

Continuing a tradition of movie magic on the site of America’s oldest continually operating movie theatre.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

A former Catholic seminary, now a Washington State Park, preserves undeveloped lands on Lake Washington and also hosts a luxury hotel.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Dedicated to one of the darkest moments in Irish history.