A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

The "Black Arch" guards the entrance to the picturesque Glens of Antrim.

These barriers stand as stark reminders of Northern Ireland's troubled past.

A museum marks and documents the site of the Titanic's launch.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

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

A guitar mounted on a wall in Temple Bar honors the Irish musician.

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

This overgrown Illinois water park offers a whole new type of adventure.

Cold War missile launch site which has been converted to a public park.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

This cemetery is all that remains of a school for "wayward" girls.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

World's second largest particle accelerator, where nature reveals its secrets.