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

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Rumors of the occult haunt this upscale 1920s hotel.

It's bad manners to eat and drink on the subways of Tokyo, unless the train is this bar. 

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

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

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

The medieval network of canals hidden underneath the city is opened to explorers each year.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

A bit of retro transportation flair preserved in the world's largest department store.