These pretty kitties killed and ate as many as 135 railway workers.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

One of Ayutthaya’s most iconic locations is a mysterious, hauntingly surreal miracle.

Sidle up for this Chinatown watering hole for Thai moonshine accompanied by traditional live tunes.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

Nineteen ancient rock-cut Buddhist caves can be found on the outskirts of Mumbai.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

It took 82 years and four different plaques to finally get the story right.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

This architectural onion has an original 1930's Jerry O'Mahony dining car at its core.

A gigantic 10-foot tall stone man.

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

A collection of witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.