Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

This quirky curiosity shop takes its cues from the world's bazaars.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A mocking tribute to the past and modern leadership of Prague.

The Lowcountry color with the power to stop evil from entering a home.

Mysterious stone tower featured in many alternative histories of the New World.

Dedicated to the explorer who opened Japan to the West.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

The world’s first penitentiary, meant to be humane, drove men insane.

Malibu's first beach home features an astonishing trove of ceramic tiles.

A couple turned their front yard into an artistic masterpiece.

One of the largest trees of its kind in California.

A hidden courtyard houses early 20th-century plaster masterpieces.

An inconspicuous footbridge beloved by San Diego locals.

The oldest standing structure in downtown San Diego.

These two K-9 memorials commemorate the sister cities of Edinburgh and San Diego.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

The most photographed house in Maine looks good enough to eat.

An art installation commemorates journalist Nellie Bly's undercover reporting inside a New York asylum.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.