Two thousand artifacts from around the world collected by one woman who loved to travel.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

One of the world's steepest streets seems to have houses sliding down it.

Known for the tunnel that leads visitors to the water.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Hundreds of caves filled with thousands of centuries-old statues and murals.

This probably wasn't what Mao had in mind.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Site of James Cook's historic observations of the 1769 transit of Venus.

The oldest Buddhist monastery in Mongolia has survived centuries of invasions, political shifts, and religious purges.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

Former island in the Aral Sea used to be a top-secret Russian bio-weapons facility.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Ancient barriers wrap around what was once an important stop along the Silk Road.

Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.

Light still pours into the ruins of this ancient Islamic observatory.

The Avenue of Mausolea is a series of grand palatial tombs.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

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

Over the centuries, this island paradise has done it all, from providing monks with ecclesiastical respite to sheltering an exiled Leon Trotsky.

This museum was invented in a novel before being made real by the author.

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