A collection of heirloom roses tucked in a spectacularly beautiful botanical garden on Lake Atitlan.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

For this chef, an active volcano is his oven.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Believe it or not, the now-ubiquitous California avocado originated in Guatemala.

A swirling spectrum of stained glass dazzles visitors who enter this subway station.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

The stoutest tree in the world.

A mysterious pillar in an ancient burial chamber is said to predict how long you have to live.

This beautifully deceptive waterfall is something far different from what it appears to be.

This graveyard boasts a medley of diverse and imaginative funeral architecture.

In a quiet residential neighborhood, one restaurant fights to preserve heirloom corn, one tortilla at a time.

The ruins of an abandoned church mingle with the graves at Oaxaca’s General Cemetery.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

Not the result of an accident, hurricane, or aliens, this is an eye-popping tribute to the Melbourne tram.

This modern pedestrian bridge on the Yarra River was modeled after an Aboriginal fish trap.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

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

Ancient ruins hidden underneath a modern luxury hotel.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Rome's semi-secret peephole vista is also a former Crusader stronghold.