A network of ancient Egyptian tombs built into the cliff face along the Nile.

Ottoman-era houses lovingly preserved.

A marvel of Byzantine engineering under the streets of Istanbul.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

This massive underground salt mine now holds a sci-fi theme park in its depths.

A Turkish ghost town abandoned in a population exchange with Greece.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

You haven’t properly toured a winery until you’ve slept in an actual wine barrel.

A gleaming white and undulating tower marks the border between Georgia and Turkey.

This isolated island is often capped by its own fluffy cloud.

Three wildly colorful calderas top this otherworldly volcano chain.

A real-life "hobbit" cave in Flores, Indonesia.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

A wild annual race in Sardinia re-enacts Constantine's victory in Rome.

A World War II gun battery sits at the easternmost point of North America.

Geothermal waterfalls in Tuscany.

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

Lost subway station nestled beneath Toronto's busy commuter line.