Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Tiny communists hammer away on the Olomouc Astronomical Clock.

A saintly relic hidden in a Prague church basement.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

Europe's second largest ossuary wasn't discovered until 2001.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

A battle between nature and architecture in the Cambodian jungle.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Abandoned limestone cave was once a sacred place of worship.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

Bizarre Hindu and Buddhist sculpture park.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

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

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Where commuters walk through remnants of an ancient Greek necropolis.

A marvel of Byzantine engineering under the streets of Istanbul.

The magic's in the hole!

A museum dedicated to the history and exploration of both popular music and science fiction.