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

These caves secretly held national treasures during World War II.

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

An ancient Greek monument and a Byzantine church coexist inside this cave.

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

This Ottoman-era Greek Orthodox Church was built to honor Agia Pareskevi, a Christian saint.

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.

This church was constructed on the site where St. Philip the Apostle preached to the ancient Athenians.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

This monumental fountain has moved around the city multiple times.

These bronze horses on the gates of the Royal Palace of Naples were a gift from a Russian tsar.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

On a river island north of Bangkok, a small bar helped lead a home-brewing rebellion.

This Bangkok high-rise looks like a rudimentary LEGO elephant.

Bangkok's men with dangerous jobs come here in search of protective talismans.

Buddhist university that allows English-language speakers the opportunity to study with monks in Thailand.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

The pillars inside this small, ornate shrine hold Bangkok's horoscope within them.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

A shrine built to combat the bad karma of a commercial venture.