What remains of the summer palace of King Kamehameha III.

The last standing piece of a famous Honolulu landmark.

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 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.

Georgia’s last drive-in movie theater is a relic of a bygone era.

This old school, eccentric, and independent video rental store refuses to die.

A local dive where religious kitsch, Southern identity, and queer culture collide.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

Healing Springs that once ran red with soldiers' blood.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Delaware's first railroad lasted only five years and spanned only 16 miles, but its ticket office has survived for two centuries.

This heritage rail line meanders through Delaware’s Red Clay Valley.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A multiversal transit station located right below a highway interchange.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A riverside tiny house with books and other treasures galore.

This spectacular track has run continuously since 1882.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The seventh largest spring in the world.

Two gushing waterfalls of hot spring water within a block of each other.