The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

An unassuming secret door once led to a legendary watering hole.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

A once-luxurious, now abandoned hotel in the Italian Alps.

A surviving concrete arrow from a 1920s navigational network is preserved right off a modern freeway.

This remnant of an ancient Persian city is considered to be the world's largest single-span brick vault arch.

Unscathed for almost 2,000 years, the best preserved Roman triumphal arch is in a small southern Italian city.

This clifftop arch is a natural stunner.

Get a taste of Chamorro cuisine, family-style, at this popular restaurant.

Tucked away behind an unassuming set of shops is a must-see series of stunning murals.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

A sculpture for the sun and stars, created by Nancy Holt.

The first mural ever dedicated to the women of the Black Panther Party.

This magnificent work of art captures the spirit of the region.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

Rare moles meet activism at this Oaxacan eatery.

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

Huts like this were once a hub for the female divers who collected pearls and seafood off Japan's coasts.

Passengers are not allowed to set foot outside this station, but you can still enjoy spectacular views of the sea from the platform.