Millions of numbers carved in glass represent the tattoos forced upon victims.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

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

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

The massive machine creates cracking displays of indoor lightning.

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

Two thousand artifacts from around the world collected by one woman who loved to travel.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

The largest game reserve in Africa is home to thousands of species but refuses to house humans.

Hundreds of Buddhas in a re-discovered Indonesian temple.

A sprawling nature preserve harbors the world's only living dragons.

The stunningly blue waters of these beautiful caves also have a violent past.

There is only one place in the world where the corners of four nations come together.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

This Michelin-starred restaurant sheds light on a rare period of cultural and culinary tolerance in Cordoba’s past.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.