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

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

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

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.

Every year, the colorful murals of Montreal get a complete makeover.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

The United States Capitol's former columns still stand.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

One of the oldest, tallest, and most haunted lighthouses in America.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

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

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

This quirky curiosity shop takes its cues from the world's bazaars.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

Archaeological sites and great food inside the island's largest mangrove forest.

This tiny home was originally a narrow alleyway.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

A park where people have been going to feed friendly pigeons since the 18th century

This colorful gate stands as an entrance to the walled city of Old San Juan.

This beautiful Cape Cod beach offers dazzling views and an interesting historical footnote.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.