This concrete amphitheater offers an unforgettable view of one of Mexico's most beautiful canyons.

A glamorous octogenarian chef-owner serves rare Istmeño specialties in a tropical garden.

This nondescript row house in downtown Washington, D.C., was the home of a very secretive group for well over a century

For over 70 years, this house was home to a pioneering Black artist and educator.

The hippo that stands on this university campus was once a drunken flea market purchase.

This small museum is dedicated to telling the 4,000-year story of Palestinian history, culture, and resistance.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

A building shaped like the Army Corps of Engineers logo, because why not?

Before Nixon, "watergate" meant canals.

The walls of the iconic dome are hollow and have a secret stairway.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

You can take the metro between these two stations, or you can walk the underground bookstore-lined passageway that connects them

This ancient gaming tool was unearthed during the construction of this former town's central square.

History is on display in this hall, which has served as the seat of city government for centuries.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

An collection of Chinese propaganda posters from 1949 to 1979.

This Chinatown hole-in-the-wall serves what might be the ultimate oyster omelet.

For more than 30 years, this stalwart has been one of the few restaurants in Bangkok specializing in northern Thai cuisine.

Bangkok’s most beloved fried chicken spot lets its garlic-burrowed birds do the talking.

Chronicling the history of Thailand’s unique currencies, from the silver “bullet money” to porcelain gambling tokens of various shapes.

Displaying religious art made almost exclusively in modern styles helps set this Buddhist temple apart from the myriad others in Bangkok.