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

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

An encyclopedic collection of mammal penises.

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

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

The spectacular history of spectacles on display.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

Amsterdam's Red Light District leaves little to the imagination.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Here’s how Robert the Doll earned his reputation as the most haunted doll in the world.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

"We Seceded Where Others Failed."

One of many gator theme parks, abandoned in the sugar fields of South Florida.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

London's smallest police station is barely the size of a phone booth.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.