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

Ghost Town in the Demilitarized Zone of the Golan Heights.

This Art Deco airport was once deemed “the air hub of the Americas.”

Cryptic messages embedded in the New York City sidewalk.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Elevated freight railway turned wildly successful urban park.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

World's first "penitentiary," meant to be humane, drove men insane.

A terrific purveyor of natural history objects and curios.

Norway's oldest cathedral still in use.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

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

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

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

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

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A fountain standing as a testament to a doomed alliance.

1513 Turkish world map, full of European state secrets and snarky commentary.

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.

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