The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Part of a secret 1970s nuclear defense program is now open to the public.

A true roadside icon standing on the same plains that the herds once roamed.

The remnants of an early American attempt at missile defense.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

The Boston square dedicated to the dark poet who was born nearby.

An ever-evolving wall of graffiti art off East Liberty Street.

The city is full of whimsical portals to another world.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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

A dilapidated dock tells the story of Titanic's missed arrival.

Try not to get slimed in Tribeca.

Entering this curiosity shop is like stepping into a mad scientist's lab.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

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

Soaring over the Niagara Whirlpool since 1916.

Few other hotels can rival the grandeur of the Castle in the Rockies.