Pay a visit to America's oldest yarn shop.

Hidden behind a YMCA stands the remains of a ceremonial site that dates back hundreds of years, whose ground is still considered sacred to many Hawaiians.

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

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

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

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

Two geoglyphs that are truly unique to North America.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

This memorial includes fragments from one of the greatest tragedies in United States history.

A lovely park home with a few interesting guests.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

An ode to one of the dirtiest jobs during the construction of the Boulder Dam.

Experience a charming 1930's version of "infotainment."

An old railroad grade built for the construction of Hoover Dam is now a recreational trail featuring several tunnels and sweeping views of Lake Mead.

These markers are used to document elevation changes around the famed dam.

A 50-year old dive bar that has its own yacht club.

Every summer West Seattle experiences a housing bloom.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.