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.

This 18th-century sundial was designed to calculate the date of Easter each year.

This bridge was constructed from the rubble of the infamous Bastille.

This small, ingenious cannon once helped regulate Parisian life.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This modest marker near Notre Dame identifies the very center of Paris.

This futuristic German television spire is actually the world's largest digital clock.

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

Thousands of flowers create enchanting pink tunnels over the city streets.

A pair of giant stone heads represent the ancient Roman saints beheaded here.

Somber memorial to the May 10, 1933, book-burning which took place on this spot.

There has been an astronomical clock on this spot since the 14th century.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

This old wooden funicular railway leads to a cemetery in the forest.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This strange statue features a bust of the famous composer plopped atop a woman's body.

This tower is all that remains of the mosque that once stood in the center of the city, before it was destroyed by fire in 1941.

This ancient structure appears Roman, but was constructed during the 16th century and was utilized until 1911.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

One of the most photographed locations in the entire city.

One of the best-preserved medieval streets in Europe.

Scores of wax baby figurines add an unusual mood to this beautiful church on the Greek coast.

This ancient statue of Dionysus lies unfinished and abandoned in one of Greece's oldest quarries.