The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

All of Chicago's wood-paved streets are long gone but two alleys remain.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A lush green oasis in the middle of Chicago.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

What was once a unique system of urban elevators is turning into a mechanical ruin.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Resting place of Hollywood's immortals is also site of summer film screenings.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

World-famous, Pink's still manages to keep its prized cult fetish status.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

From sax to spuds, get 'em all at this landmark music establishment.

One of the world's longest murals depicts the history of diversity in Los Angeles.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.