The world's largest military aircraft cemetery.

The last bastion of Roman presence north of the Alps looms over a German town.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A vast city of the dead, where the deceased outnumber the living by more than a million.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Only hotel where you can legally launder money.

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

Golden Gate Park's historic collection of plants.

This contorting sculpture is the tallest in San Francisco.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

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

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

One of Ireland's most infamous prisons for rebels including men, women and children.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

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

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.