A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

An artist's mausoleum with a haunting echo.

The alley connecting two of country music’s most historic venues has a rich history of its own.

Victorian-era Egyptomania left its mark on this Nashville landmark.

It may take some time to locate, but it's sure to warm even a heart of stone.

This award-winning men's bathroom was just too beautiful to not allow women to see.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.

A hidden architectural treasure in New York's Brooklyn.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

New York City's only preserved family home from the 19th century.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

A very classy 1920s-era bar right in Grand Central Station.

A hands-on traveling collection of the innovative devices of yesteryear.

Become a prohibition rebel.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

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

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.