A tiny piece of the Moon is embedded in this stained glass masterpiece.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This striking art museum holds an amazing series of curiosity cabinets.

Baroque celebration of the end of the Great Plague of Vienna.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Quite simply the largest tree in the world (by volume).

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Portlandia is the second-largest copper repoussé statue in the United States.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A huge musical instrument played by the ocean.

It houses the remains of a 17th-century version of the Titanic.

A spiritual vortex among the red rocks in Sedona.

A building so large that it has its own weather.

Climb inside an iron crystal magnified 165 billion times its normal size.

This elaborate towering structure was once famed for its revolutionary height.

2300-year-old Roman road connecting the empire.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

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

Northern Ireland's Brobdingnagian stepping stones.

Come for the flowers, stay for the bats!

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Yo, Adrian!