A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

A fantastic example of Victorian railway engineering with two unusual decorative features.

This Underground station has been a popular filming location for decades, even before it closed.

The "Seinfeld" diner.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

The site of the climactic scene from the classic horror film is now a historic landmark.

Try not to get slimed in Tribeca.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A remnant of the Roman army's presence on the coast of Scotland.

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

This Roman relic was discovered in Scotland by a mudlarking ferryman.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

This unusual statue overlooking the Royal Mile has an interesting backstory.

A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

Stonehenge has nothing on Castlerigg’s views.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

A 2,000-ton rock resting in a state of a delicate balance.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.