Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

Ottoman-era houses lovingly preserved.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

Naturally protected city carved from a rock face.

The ornate miniature mansions were built for Istanbul's feathered residents.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

A marvel of Byzantine engineering under the streets of Istanbul.

Roman ruins top white travertine terraces formed by ancient hot springs.

These medieval funerary monuments are now home to a colony of critically endangered vultures.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Statue commemorating the use of ether in anesthesia.

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

An elaborate, hidden model train in the Needham Town Forest.

The oldest surviving wood-frame building in North America is still in the family.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

The pleasant woodland cemetery that has inspired more than its fair share of wild legends.

Hut with supplies for shipwreck survivors.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.