Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

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

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

Soaring over the Niagara Whirlpool since 1916.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A unique columnar residence built in the 19th century.

This replica of the Greek structure is in the heart of Nashville.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This elaborate towering structure was once famed for its revolutionary height.

Three prestigious academic collections come together to create a world-class natural history museum.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

Etched into a dry lake bed, this massive directional indicator is accurate without magnets.

What is it about mushrooms that makes people wish they lived inside of them?

This massive airship factory is so large that it has its own indoor weather.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Mysterious stone tower featured in many alternative histories of the New World.

Unable to build support structures on glaciers, the engineers for this tramway were forced to design a unique system.