Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

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

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

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

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

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

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Rare recess caves fill this unbelievably beautiful Ohio park.

Home of the "true" equator.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

Beside a busy highway, a colony of Great Blue Herons raises hundreds of offspring each year.

But did the famous feminist and abolitionist ever really say those iconic four words?

Landmark dedicated to the plight of the American Indian in the 21st century.

Faces carved into the cliffs create an otherworldly walking trail.

Acres of English cottage gardens, unexpectedly nestled in a Cleveland suburb.

The world's largest Our Lady of Guadalupe statue overlooks this Ohio sanctuary.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.