This giant, granite purse is one of Melbourne's most unique and distinctive pieces of public art.

These mythological giants take time out of their busy day guarding a Victorian market to let you know what time it is.

A beautiful 1920s tower filled with local hidden gems.

A colorful street named for the legendary Australian rock band.

Somewhat controversial when first unveiled, this gathering of sea creatures has become a hidden gem.

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

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

This iconic clock tower is the largest in the Philippines.

A modern zoetrope on the New York City subway.

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

As telephones become more essential and less stylish one historic Brooklyn building remembers the days when they were a grand celebration of communication.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

Before online banking and smartphone apps, there was "commuter banking" in the subway in Downtown Brooklyn.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This innocent-looking townhome is actually a subway exit.

Love is in the air along the small street in Brooklyn.

The Underground Railroad passed right through this historic Brooklyn Heights church.

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

This huge work of functional public art replaced a landfill in New Jersey's Meadowlands.

A floating cat sanctuary on an Amsterdam canal.

The largest United States military cemetery overseas.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.