The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

Huge stone depressions which may have acted as an Incan agricultural experiment.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

An ever-evolving wall of graffiti art off East Liberty Street.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

A museum dedicated to the history and exploration of both popular music and science fiction.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

More than five miles of underground passageways.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A monument to the love people have for their pets.

San Francisco's newly reopened hands-on science museum.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.