A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Home to the deepest rift anywhere on Earth.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

"I did this all while you were watching TV."

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

This 220-year-old house is a reminder of New York City's Dutch past.

A small burial plot formerly stranded in the middle of a road.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

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

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

The site of Paul Revere's historic two lantern warning.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This historic hotel invented the chocolate brownie.

Red frames showcase remnants of one of New York's original subway stations.

Visit the monolithic tomb of America's most famous general.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

There must be a pun in this haystack somewhere...

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

This impressive Boston holy house is the American mecca for Christian scientists.