This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

This miniature take on the Kremlin is one Dutch man's retirement project.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A floating cat sanctuary on an Amsterdam canal.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

Gorgeous cave resemble a winter wonderland.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

A mountaintop space observatory that is certified dark.

This research center for rare prosimians is studying how they sleep to help prolong human life.

This educational institution and reference library specialize in the psychic arts and mediumship.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

Two plaques commemorate the site of Shakespeare's first theatre.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.