This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

From motorcycles to firetrucks and sports cars to horse-drawn carriages, this Belgian collection goes beyond rare cars.

Climb inside an iron crystal magnified 165 billion times its normal size.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

Lavish royal estate punctuated with heated greenhouses.

Colorful and chaotic stacked hotel in North Holland.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Museum preserving torture methods from the past.

A unique work of automotive art calls this shopping center home.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Cat art as far as the eye can see.

New York's transit system peddles terrible food in limited windows—this restaurant is a rare exception.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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

A popular European tradition makes its way to the states on one of America's most famous bridges.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Commemorating the spot where the famous scientist fed his pigeons.

New York's oldest magic store.

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

Discover the taste of mold.