Race through the maze, get your name on the sign.

What remains of the summer palace of King Kamehameha III.

The last bastion of Roman presence north of the Alps looms over a German town.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A mysterious castle built as a monument to lost love.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Former villa and estate of James Deering developed to preserve native tropical forests.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The world's largest military aircraft cemetery.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.