A mysterious castle built as a monument to lost love.

Found: Garden of Eden in Miami-Dade County, Florida.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

When flour explodes, it's not a pretty sight.

An eatery within the Minneapolis American Indian Center writes colonial ingredients out of the story of Native American cuisine.

Come for the speed, leave in love with the desert.

An enormous illuminated figure dances on the Las Vegas strip.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

Wayne Newton's sprawling estate is now open for visitors to catch a glimpse of his "heart and soul."

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

Experience what life was like in Ireland during the Viking and medieval ages.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

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

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

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

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

This Florida museum dedicated to western artwork is entered through an artificial canyon with imported sandstone.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A luxuriant botanical garden below sea level.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.