The field of tiny caves that mark this Chinese cliffside are each their own historic Buddhist temple.

This psychedelic tourist trap is a leisurely descent into madness.

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

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

A more chill but no less fascinating version of the famous ancient archeological site.

An ancient capital city that dates back 3,000 years and harbors many surprises.

This vestige of Seychelles’s colonial past now resides in a busy intersection and didn’t chime for its first 96 years.

The remains of a 19th-century school and living quarters are perched atop a mountain surrounded by a thick tropical forest.

A schooner, nicknamed "The Unsinkable," with a long history of survival in the Indian Ocean.

A British general, a suggestive tree, a map of paradise.

In the middle of a busy residential neighborhood, a small roofless church being reclaimed by nature.

A newspaper editor turned this abandoned island into a tortoise nature preserve that's now the world's smallest national park.

A refurbished locomotive from a bygone era in the middle of the Jordanian desert.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This abandoned Belgian fortress is purposefully being left to nature.

This ghost town in Belgium will lose its street art when it ceases to exist.

The Devil’s own choice when he needs a drink in Brussels.

One of the deepest indoor swimming pools in the world.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

This bike path was sunk below water level for maximum wonder.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.