The only Ottoman Mosque in Attica outside central Athens.

Past the megayachts in the hyper-modern marina of Vouliagmeni is a small, well-hidden chapel adorned with pebbles and maritime imagery.

This lesser-visited World Heritage site in Athens boasts an impressive ensemble of medieval gold mosaics.

A stunning church overlooking the water that you will have all to yourself.

The remains of an ancient medieval monastery can be seen in the basement of a luxury hotel

For a city that is so rife with gleaming statues and memorials in alabaster and bronze, this occultish-looking wooden example poses more questions than it answers

A pristine crater lake 12,000 years in the making, with waters like cut glass.

A museum dedicated to the legacy of writer P.L. Travers and her most beloved character, Mary Poppins.

Giant fruit signaling the entrance to a tropical paradise.

Giant wood sculpture in Kew first constructed in 1979.

Modeled after the big, ferocious Hexham Grey mosquito.

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

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

This monumental neo-Renaissance tomb in Vyšehrad Cemetery is the final resting place for Czech cultural legends.

A former royal garden with lush surroundings in the heart of the city.

The ruins of a medieval bridge are visible inside a Prague Metro station.

A controversial “crumpet”-shaped museum tries its best to blend in with surrounding parkland.

A pre-war mansion that survived the modernization of Athens.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

One of the most notable figures in the Wurstelprater’s history is often assumed to be a fictional character.