The home of 1.5 million wood letters for printing is still a functioning workshop.

A place for ship-lovers to watch the passage of freighters traversing the Great Lakes while learning about their history.

Built around 1845, this house was occupied for 100 years, serving as a home to a prosecuting attorney, a Union Civil War general, and a wealthy socialite.

This 30,000 square-foot museum is home to an extensive collection of art and artifacts that reflect the history of southwest Ohio.

The oldest hotel in Nevada.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

Known as "Toronto's Flatiron."

This refurbished gas station is one of the oldest in Texas, located on the original Route 66.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

Huge masonic hall in Philadelphia with lavishly themed rooms.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

This tiny historic jail along Route 66 is the perfect fit for exactly one criminal and their partner-in-crime.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

On the upper deck of this church-owned parking garage stand eight pillars topped with different Catholic saints.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

The fourth-oldest baseball stadium in the United States is in a league of its own.

Dedicated to the explorer who opened Japan to the West.

These unusual houses look like giant boats that washed ashore on a residential street.