The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

An early-19th-century hotel with a past that is steeped in the Civil War.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

"X" marks the spot of an echo chamber in the middle of a plaza.

This quirky curiosity shop takes its cues from the world's bazaars.

Commemorating the landing of William of Orange with his European army on their way to the Battle of the Boyne.

This castle once belonged to one of the most prominent families of medieval Carrickfergus.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

This stone harbor was key to Carnlough's limestone industry.

This mine was once used to defend the coast from attack during World War II.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The house where the writer spent his formative years.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

The first integrated firehouse in Atlanta houses a museum on the history of desegregation in the city's fire department.

Georgia’s last drive-in movie theater is a relic of a bygone era.

This small cemetery is all that remains of Atlanta's first Black communities.