This curious, round temple is the oldest still-standing marble building in Rome.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The oldest operating pharmacy in the world features 800-year-old recipes.

A plaque on the base of this statue holds a bewitching design.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

This abandoned Greek island was the last active leper colony in Europe.

The hallucinogenic center of the ancient world.

Legend says this sacred tree was a gift from goddess Athena.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

A sharp sculpture made of thousands of pieces of jagged glass.

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

A wonderfully strange collection of 500+ stuffed frogs doing people things.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

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

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

Come for the flowers, stay for the bats!

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.