This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

A series of mosaics in Mexico City's Historic Center celebrate the Basque Country's "eighth province"—its diaspora.

A detailed model of Mexico City is the star attraction within this interactive exhibit inside an old theater.

A playing field for a popular French past time can be found tucked away in a quiet corner of Golden Gate Park.

The remains of a ruined mansion memorialize the 1906 earthquake.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

A serene temple with stunning stained glass hides in downtown Dallas.

Internationally known record store and purveyor of "dusties."

Where old school Polish Chicago and young hipster Chicago live side by side.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

A giant open-air sculpture made of over 200 full-sized boats.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

A geological mystery on Camelback Mountain.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

A homage to the King at the hotel where he revived his career.

The tiniest tiki room in San Diego.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The first transatlantic wireless signal was received at this 17th-century fort.

A massive art collective tries a new take on Brooklyn's DIY music scene—by making it fully legal.

An arcade packed with a rotating collection of unique independent video games.