Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The real-life site of Ichabod Crane's infamous gourd attack.

On the outskirts of Pennsylvania’s capital city, a reminder of the worst accident in U.S. commercial nuclear power plant history.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Avoid gangster interaction while window-shopping.

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.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This hulking behemoth is actually five interconnected towers built in the 1960s.

This grand old Chinese medical facility has been restored and reopened to serve its original purpose.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

This unique footbridge stands out among the surrounding buildings, and is a popular filming and photography spot.

Two cannon-like cranes were installed on top of the bank building to fend off bad feng shui.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

A serene space tucked amid the skyscrapers of Hong Kong's bustling financial district.

Italian cave with exceptional acoustics and an unsavory history.

Wedged between streets and buildings, this ancient Roman theatre could seat 7000 spectators.

The world's most active stratovolcano is almost always erupting.

Climb the dead electric pylons of Messina.

Tourists to the mountaintop Sicilian town often overlook its ancient fortifications.

Thousands of well-dressed mummies below a monastery.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

This enchanting mountain plateau celebrates spooky local folklore.

A strange rock formation with numerous legends trying to explain it.