The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

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

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

A hugely vast Irish landscape of barren rock that stretches for miles.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

Three prestigious academic collections come together to create a world-class natural history museum.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

A haunting tribute to pioneering photographer Clover Adams.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Helen Keller once broke ground on this historic center for the study of technologies to benefit the hearing impaired.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

Pilgrimage site for star-crossed lovers.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Constructed in the 1920s, this former pencil factory is now an office building.

The Hudson River School comes alive at this palatial estate.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

Legends surround this jagged rock formation in the New Mexico desert.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

Ozymandias’ time-keeping temple.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.