This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

Only hotel where you can legally launder money.

This contorting sculpture is the tallest in San Francisco.

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

One of the largest trees of its kind in California.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Reminders of the Battle of Berlin still scar the railway.

Home to three historic ships from the age of Vikings.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Da Vinci's equestrian statue, 500 years in the making.

The mark of the Devil's horns on a marble column in Milan.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

The secret medieval communication system will whisk your words above the noise of the crowd.

The world's longest known cave system.

One of the few surviving "Wigwam"-themed motels.

This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Moonbows over Kentucky.

The first KFC is on the National Register of Historic Places.