Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

This forgotten boat elevator was an engineering marvel in its heyday.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

The world's oldest continuously operating airport was founded by the Wright Brothers.

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The span is crooked and made from two older recycled bridges.

Before Nixon, "watergate" meant canals.

Washington's iconic carousel has a nice piece of Civil Rights history.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

The national park was once a plantation estate.

The wooden airship was the largest flying boat ever built.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

This Italianate house was the childhood home of the prominent Canadian painter, Emily Carr.

Surprisingly delicious Asian-style hot dogs.

Antiques shop filled with all manner of curious collectibles.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This Elizabethan hedge maze is one of only six in North America.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.