A huge musical instrument played by the ocean.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

"Would you like your sangria in an IV bag, or straight-up?"

Singapore's Ang Mo Kio Town Garden West is a social hotspot for songbirds and their humans.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

This Singaporean food-court stall was home to the world's cheapest Michelin-starred meal.

Frozen in Norway, vended in Singapore.

The busy transport hub is home to the tallest airport slide in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

This laboratory has a remarkable concrete roof that measures less than an inch at its thickest point.

Inside a busy metro station, an impressive mural depicts the prehispanic city of Tenochtitlán.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

San Francisco’s condensed garden of incredible plant growth.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An artsy hidden staircase leads to breathtaking views of San Francisco.

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

An 18-mile-long tunnel for sewage waste will soon wind within the bowels of Washington, D.C.