Public water fountains built during the Ottoman Era still stand throughout this seaside town.

This building was once the most magnificent mansion in Nafplio.

This legendary city has been a tourist attraction for centuries.

This Byzantine Church was moved from Paris to Athens block by block.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

This Ottoman-era church is hidden amid a busy tourist area.

Underneath one of the region's most historic roads lies the home of Plato's successor.

The site where the summer solstice helped ancient Greeks sync the lunar and solar calendars.

A Byzantine-era church hidden in a wooded area below the Acropolis.

These caves secretly held national treasures during World War II.

Rest stops along this pathway offer some of the best views of the Acropolis of Athens.

The hallucinogenic center of the ancient world.

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.

Where commuters walk through remnants of an ancient Greek necropolis.

This pink watchtower served as the seat of the Greek government after independence from the Turks.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.