The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

Largest Roman Catholic church in North America.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

This statue honors the author's groundbreaking family story.

A touching tribute to a local hero who made sure his neighborhood stayed clean.

This former asylum for Black Americans is haunted by its history of violence and racism.

The world's northernmost aquarium looks like it has fallen over.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

Take a dip in the world's largest mineral hot springs pool.

There are eight natural springs around town, each with a slightly different taste.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

The ancient tomb acts as a calendar that keeps perfect time.

A stunning Victorian abbey and walled garden on a lakefront.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

This single room has survived the centuries with almost no deterioration.