The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

These massive mitts are made of 30 tons of devotional bronze.

Nature's biggest mammal swims in landlocked Oklahoma.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Limestone caves with spectacular showcase chambers.

An homage to everyone's favorite prehistoric cartoon family.

Dramatic river bend surrounds a natural red-rocked pedestal.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A 19th-century Baja cantina that many say is the birthplace of the margarita.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

Roman politician Herodes Atticus built this nymphaeum to honor his wife, whom he may have murdered.

This ancient market is often referred to as the oldest shopping mall in the world.

2300-year-old Roman road connecting the empire.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A Byzantine-era church hidden in a wooded area below the Acropolis.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

An ancient octagonal weather station named for the eight Greek gods of wind.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A whale of a public art display towers atop Juneau's cruise ship dock.