One of the largest trees of its kind in California.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The beautiful, fruit-covered facade hints at this building's former life.

The classic Atari game's iconic aliens have invaded downtown San Diego.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

It's good luck to be mocked by this monkey.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A contemporary fresco movement illustrates the region's rich history.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

Thousands of turbines whir at at the origin of North American wind power.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This statue was given to France by the United States to commemorate the centennial of the French Revolution.