Featuring the the longest lift span of any vertical-lift bridge in the world.

A memorial to an ill-fated Arctic expedition pursued by the U.S. Navy.

A mural honoring two trailblazing Supreme Court Justices—Thurgood Marshall and Ruth Bader Ginsburg.

Remnant of a largely forgotten struggle over resource scarcity.

A quick journey through the history of Annapolis.

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

The rock on which Moll Dyer was found frozen to death is said to still bear her handprint.

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

One of America's oldest continuously operating hotels offers a blend of rich history and historic architecture in the heart of Annapolis.

Essential to the history of early American religious freedom and home to the only Catholic signer of the Declaration of Independence.

This jet-infused peak marks the traditional northern boundary of the Navajo nation.

The Ayo Rock Formations stand out on the island of Aruba as a unique arrangement of giant boulders with interesting crawl spaces to explore.

Snapshots of late 19th and early 20th century Americana, focused on life on the plains, are displayed in this museum.

The final resting place of a legendary science fiction author and his fraternal twin sister who died as an infant.

Winter and summer solstice aligned sculpture in the middle of nowhere.

A replica that won't float away.

The beginning of the historic Iditarod Trail connecting the Alaskan cities of Seward and Nome.

For 14 years, this former stray dog greeted every train passenger that arrived in Fort Collins.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

A wacky, UFO-shaped house in a suburban neighborhood.

This small piece of railroad history sits behind the parking lot of a chain grocery store.

This archaeological dig site and museum is home to one of the largest dinosaur fossil collections in the world.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

You might want to bring a rain jacket to this travertine triple waterfall.