A deadly ancient portal to the underworld.

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

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

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

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

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

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

This famous city eluded concrete detection until the early 2000's.

This religious site features Nepal’s largest statue of Buddha.

This mysterious cliffside carving of an ancient Hittite deity has baffled scholars for centuries.

A charming beach town in Turkey captures all the colors of the rainbow.

This women-run eatery and cooking school is putting India's long-neglected tribal cuisines back on the menu.

Once where royalty entertained guests, this opulent table is now one of the longest in the world.

You don't have to be an ambassador to dine like one.

Walk through a clothing store, across a courtyard, and up several flights of stairs for delicious coffee with a side of beautiful views.

Kay Andrews's recipe was so good, her family immortalized it in stone.

This eatery transports diners to a place that no longer exists: East Germany.

A restaurant with an extensive Irish whiskey bar also has several first editions of famous works by Irish authors.

One doctor's retirement plan included opening this award-winning Mexican-Indian eatery on the ground floor of a hospital.

Every dish is blessed in this basement eatery beneath a Hare Krishna temple.

This Russian bar-restaurant lies within a three-story underground bathhouse.

Eat first, shop later at this eatery within an Asian grocer.

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

Every weekend, the parking lot of this Buddhist temple turns into a Thai street-food paradise.