Nevada's largest cactus collection stands outside a candy mogul's small factory.

Century-old shop, specializing in Occult products.

Yo, Adrian!

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

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

The Hveragerði fissure runs through this unassuming shopping center.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This beautiful, historic church looks like something out of a simpler past.

Iceland's tribute to its thankless civil servants.

Three columns of volcanic rock shoot out of the ocean.

This tiny museum's sizable collection is jammed into a former underground public toilet.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

An encyclopedic collection of mammal penises.

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

Rising from the sea like a stone monster.

Medicinal spa created with the discharge from a geothermal energy plant.

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

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

A monument dedicated to the civil uprisings that took place during the Pots and Pans Revolution.