A particularly disconcerting tribute to Irish martyrs.

One of Ireland's most infamous prisons for rebels including men, women and children.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The fading, forgotten remains of a once bright and booming factory.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A Wild West jailhouse that slid down the mountainside.

Inside this store, a mysterious statue draws visitors from the world over.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

During World War II this was the site of an "honor camp" used as a prison for draft dodgers, Native American conscientious objectors, and Japanese-Americans—including a man who brought his case against the camp to the Supreme Court.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

Hidden on a cattle ranch in Arizona, this bookstore has been celebrating Southwest literature for more than 40 years.

Limestone caves with spectacular showcase chambers.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

This 19th-century ghost town offers a stunning view of Lake Michigan and a journey through the region's industrial past.

As its grandiose name implies, this wooden dome is unsurpassed in size.

The former home is said to be haunted by the ghosts of the beloved mayor and his wife who lived here.

Visitors to this public park will also find the ruins of an old western fort.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.