The world's largest reflecting pool is just two centimeters deep.

Legend has it this 11th-century castle was paid a visit from the devil.

Two very different statues celebrate the literary legacy of this medieval Dordogne town.

Historic medieval fortified city in southwest France.

The rogue roots are gradually consuming some of the historic marble grave markers.

Recorded as the first person buried in Arlington Cemetery.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

A battleship’s mast sits atop a turret-like memorial, commemorating those who lost their lives in one of the precipitating events of the Spanish-American War.

The narrowest house in America is seven feet of pure spite.

This small pedestal marks the spot of the first lot of land sold in Alexandria, Virginia in 1749.

A superbly preserved example of Georgian residential architecture that was once home to one of the founders of Alexandria, Virginia.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

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

The quirky salon doubles as a retro museum run by the world's leading "hairstorian."

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

Situated in a bustling intersection, this "mobile" monument that honors local veterans from five different wars has moved several times but appears to have found its final resting place.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

The hippo that stands on this university campus was once a drunken flea market purchase.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.