Louise Bourgeois' 30-foot-tall steel spider sculpture.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.

Soaring over the Niagara Whirlpool since 1916.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This whimsical fountain pays tribute to Toronto's four-legged friends.

A miniature representation of Canadian cities and landmarks in incredible—and sometimes hilarious—detail.

Known as "Toronto's Flatiron."

An exquisite Baroque church in Vienna's old town.

The solemn exterior conceals an opulent interior of this 17th century church.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Sweden's oldest animated sign is still lighting up the skyline today.

The Swedish flag over this small naval fort signals that the nation is at peace.

Stockholm's deepest subway station is also a stunning ecological wonder.

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

Try not to get slimed in Tribeca.

Elevated freight railway turned wildly successful urban park.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.