Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

Swedish skyscraper with a 90° twist.

This chimerical bridge/tunnel appears to dead end right into the sea.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This futuristic German television spire is actually the world's largest digital clock.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Dynastic Home of the De Piro Family.

The world's most active stratovolcano is almost always erupting.

Celebrated example of Ottoman architecture that also served as a site for brutal massacres.

Controversial site of what could be Europe's first pyramid.

The place where World War I began.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

An eccentric dictator's take on a Turkmen version of Disneyland.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.