This landmark cemetery in Boston was created more than 300 years ago.

The cave where two British judges hid in exile after sentencing the king to death.

This Connecticut chapel is a starkly modern, and surprisingly colorful, architectural rebel.

A former copper mine which became a truly unsuccessful prison.

The final resting place of soldiers' loyal canine companions.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

See massive fossils that are over 200 million years old in northeastern Arizona.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

A perfect turquoise lake colored with glacier dust.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Come for the flowers, stay for the bats!

Look closely and you’ll notice that the color changes a third of the way up the tower.

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

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

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

The world's longest known cave system.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.