An abandoned mountain village in Habib surrounded by walnut, apricot, and pomegranate trees.

This beautifully restored fortification kept the city safe for centuries.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

This giant underground cave chamber can only be accessed through a small opening at the top.

This lonely tomb is all that remains of a once-bustling ancient trade hub visited by Marco Polo.

Where artisans use centuries-old techniques to build traditional Arabian ships.

One of the longest natural sand beaches in the world.

One of the largest and most scenic of Bangladesh's tea gardens.

Ancient and modern architecture are joined in Louis Kahn's monument to democracy.

The fight to make Bengali an official language started in this stunning university hall.

The untimely death of a dignitary's daughter led to this fort being abandoned before it was ever finished.

All that is left of an Armenian community that thrived in Dhaka 200 years ago.

This colorful palace is an oasis of calm amid the hustle and bustle of the Buriganga riverfront.

In the palace with a thousand doors, not all of them are guaranteed to lead you somewhere new.

A 19th-century cabin built into a hollowed-out Sequoia tree.

Four hundred granite steps were built into this massive rock by the National Park Service.

Quite simply the largest tree in the world (by volume).

The second-largest giant sequoia in the world.

The rocks in this arid basin leave trails of movement behind them.

This old mining town, deep in the California desert, has a year-round population of one.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.