First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

A marvel of Byzantine engineering under the streets of Istanbul.

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.

Where commuters walk through remnants of an ancient Greek necropolis.

The hallucinogenic center of the ancient world.

Giant marble phalluses on the sacred island of antiquity.

The land is home to swimming ponies and a legendary 18th-century treasure.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.

A Red Hook dive bar that is holding onto its roots.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.