Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

One of the oldest living oak trees in the Southeast.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Historic funicular railway, believed to be the shortest railroad in the world.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

The "Seinfeld" diner.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A heavenly experience, right here on Terra Firma.

Paris' linguistic guide to the international language of, yes, love.

Home to items never before seen by the public.

A dilapidated dock tells the story of Titanic's missed arrival.