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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The home of the first American-born saint is one of the only curved buildings in New York.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

One of the earliest subway stations in Stockholm, which still looks like the 1950s.

This pair of unsuspecting buildings are in fact the very first modern skyscrapers in Europe.

A temporary art piece to celebrate LGBTQ Pride is now a permanent part of Stockholm's traffic landscape.

A man has revenged his true love's betrayal through tears and stone genitalia.

One of the world's first dedicated bank buildings in the world is now the oldest one.

Stockholm's tiniest statue is of a small boy looking at the Moon.

A wooden street sign is the last remnant of this 400-year-old alleyway.

A Swedish phone box converted into an informal village library.

A tiny town hall—in Sweden's one-time capital—might be the smallest in Europe.

Sweden's oldest street has not changed for nearly a millennium.

Frequent fliers welcome in this airplane hotel.

This giant wooden sculpture is based on local folklore and is said to be "possibly" Sweden's largest troll.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

Norway's oldest cathedral still in use.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

The grounds and buildings of an old wood pulp mill have been transformed into an innovative art park and museum.