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

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

A tiny, unassuming park in Tampa that belongs to the Republic of Cuba.

A vast array of tropical plants collected by a vacationing couple.

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

An 18th-century Spanish watchtower made entirely of seashell and concrete.

North Central Florida's largest flea market and a weekend roadtripper's dream.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

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

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

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

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

This stunning concert hall has become a symbol of Iceland's national recovery.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

Three columns of volcanic rock shoot out of the ocean.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.