A unique market that brings together various goods and cultures.

Where the alchemists dream of transmuting base metal into gold was actually achieved.

Check out a shovel along with your Shakespeare.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

The Laureates here get something even more coveted than a Nobel Prize: free parking for life.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

A storybook European village in Berkeley.

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

This ordinary-looking rock may have played an important role in a 16th-century Scottish battle.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

To find the "unicorns of the deep" you've got to go downstairs.

These mansions date back to Chicago's days as a brewer's paradise.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

A science teacher's dream.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Mile-long cave system near Great Smoky Mountains.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Once America's tallest structure, now a Baltimore landmark.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

This free, take-a-book shop seems like a trick but isn't.