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

This massive roadside mascot was the first version of the giant to illustrate his butt.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

These markers are used to document elevation changes around the famed dam.

This museum houses two of Mexico's most impressive Aztec monoliths.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

The place where Samuel "Slater the Traitor" brought the Industrial Revolution to America.

An alley covered with 20 years of bubble gum.

The unbelievably opulent home built for an infamous newspaperman.

Only hotel where you can legally launder money.

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

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

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

A contemporary fresco movement illustrates the region's rich history.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

New York City's smallest piece of private property.

Elevated freight railway turned wildly successful urban park.

The "Seinfeld" diner.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

British troops and Prohibition couldn’t stop this spot from becoming one of the United States' oldest continuously-run taverns.

This small-town pizzeria won the Hollywood lottery.