This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

One of the most well-preserved temples of ancient Egypt.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Take a monster truck tour around an ostrich farm in the middle of the desert.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

Located within one of Israel's most picturesque monasteries is also the country's first meteorological research station.

This ancient tomb in the West Bank is a holy site for Jews, Muslims, and Christians alike.

Neighborhood in Jerusalem is home to the ultra-orthodox haredim.

A "miracle" that seems to produce more holy fistfights than holy revelations.

This family tattoo parlor has been inking religious pilgrims in the Middle East for 700 years.

The home of the Dead Sea Scrolls is an abstract modernist dream.

After over 100 years out of service this landmark windmill once again turns as a symbol of Jerusalem's self-sufficiency.

Ancient serpentine sacrifice holder that has stood the test of time.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A fountain standing as a testament to a doomed alliance.

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

A marvel of Byzantine engineering under the streets of Istanbul.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.