The first declared National Monument in the United States.

A stunning Victorian abbey and walled garden on a lakefront.

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

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

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

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

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Weighing 30,000 pounds, this monument represents Detroit's first industrial era.

What was once the largest NFL stadium.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

World's largest Christmas store.

The world’s largest Masonic temple was saved by the White Stripes.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

Send a postcard while vacationing with Satan.

The final resting place of New Orleans' most famous voodoo priestess.