A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Have tea in a cemetery with a dazzling view of Istanbul.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

Housed in an old British jail, this spot serves up Georgian, Russian, and Ukrainian specialities with a side of Turkish history.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

A fountain standing as a testament to a doomed alliance.

1513 Turkish world map, full of European state secrets and snarky commentary.

One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

Over the centuries, this island paradise has done it all, from providing monks with ecclesiastical respite to sheltering an exiled Leon Trotsky.

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

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

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

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

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

A New Hampshire grave with a grudge.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The oldest playground in America.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

Dozens of bronze glove sculptures symbolizing loss and life decorate a busy Cambridge subway station

A home decorated by its owner with eye-catching and captivating assemblages of found objects

This is the house that spite built.

Dedicated to the neverending mathematical constant, this plaque next to a park bench was sponsored by an anonymous benefactor.