The last remaining building in Washington, D.C., built by H.H. Richardson, one of America's most iconic architects.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

Inside this library, the history of Los Angeles is retold through a mural.

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

The historic home of an educator, abolitionist, activist, and poet.

This bank is widely believed to be the inspiration for the offices of Philip Marlowe, the hardboiled detective featured in a number of Raymond Chandler's stories.

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 sculpture presents commentary on a life in pursuit of profits.

The outside of this theater is decorated with a Diego Rivera mural that explores the history of Mexico.

A tiny town in an empty lot was the work of a local eight-year-old.

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

California's largest steel arch bridge.

A blend of sporting history mixed with childhood nostalgia await visitors to this museum.

The longest covered bridge west of the Mississippi River.

The American author whose "rags-to-riches" stories were popular during the Gilded Age.

These were the largest wind chimes in the world when artist Tom Van Sant created them for a California mall in 1967.

His discovery kicked off the Gold Rush. One of the hands on this commemorative statue points to the spot where he found the precious metal.

Underneath the historic center of Mexico City, the remains of a temple dedicated to the Aztec god of the wind.

Worm salt and other local ingredients are on the menu at this cult favorite ice cream shop.

The final residence of an educator, civil rights leader, and presidential advisor was also the first headquarters of the National Council of Negro Women.

This memorial honors five journalists who were killed in a mass shooting in 2018, and affirms the importance of the first amendment.

These sailing ship-shaped chandeliers are believed to have been a gift inspired by faith.

The Boston home of a conductor on the Underground Railroad.

Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.