2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A fountain standing as a testament to a doomed alliance.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

Ancient serpentine sacrifice holder that has stood the test of time.

Seven early Christians were sealed into a cave where legend has it they slept unharmed for centuries.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

The ancient latrines of the Greeks, in all their public glory.

A deadly ancient portal to the underworld.

Roman ruins top white travertine terraces formed by ancient hot springs.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Postal archives over 150 years old offer a window into Singapore's culture and tradition.

Singapore's landscaping project is home to 18 incredible Supertrees.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

A small Richmond island dotted with the remnants of hundreds of years of history.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.