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

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

The first piece of public art dedicated to LGBT rights.

A historic grist mill and active sluice on the Black River.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

A hidden three-foot-wide house separates these two regal churches.

Follow the original medieval paths that wind through this intriguing section of the city.

An underwater statue of Christ blesses the depths off Key Largo.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

This retro, UFO-like structure is a remnant of the Soviet-era circus.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

A six-ton wedding present for the King of the Scots.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

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

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

A winding, cliffside stretch of road overlooking the Delaware River.

100 massive sculptures in the Hudson River Valley.

A popular European tradition makes its way to the states on one of America's most famous bridges.