The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

This restored eighth-century palace is a shining example of ancient Umayyad architecture.

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

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

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

An enormous and lavish Gothic church in Czechia.

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Op-art architecture designed for happiness.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

The only Florida state park with publicly accessible caves.

This now-deactivated naval base defended the Florida coast for centuries.

A Grand Dame of the vaudeville circuit restored to its former glory.

This museum presents a dogged pursuit of 500 years of veterinary history.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

Come for the flowers, stay for the bats!