Once America's tallest structure, now a Baltimore landmark.

The one-time office of the architectural firm that ushered in the Gilded Age is now a Club Monaco.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This beach pool offers a spectacle of crashing waves, blue hues, and a historical lighthouse.

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

Try not to get slimed in Tribeca.

These markers are used to determine the ground stability of the Strip.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

An enormous illuminated figure dances on the Las Vegas strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Yo, Adrian!

Baltimore's first skyscraper may be home to the inspiration behind pulp fiction's most celebrated bird.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

This fountain was commissioned by a mother grieving over her son's passing.

The blinking light atop the iconic landmark has been sending secret messages for decades.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.