A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

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

The United States Capitol's former columns still stand.

The island residents are known for taking their quirky sense of humor with them to the grave.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

Though they've since been renamed, these two streets hint at Dublin's darker days.

Experience what life was like in Ireland during the Viking and medieval ages.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

This metal disk commemorates the birth of a historic American holiday.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

World's smallest skyscraper, the product of a remarkable con.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

Home of mutant livestock.

This 100-foot tall bluff located in the western plains of Kansas overlooks a massive reservoir.

Curious rock formations in a tiny Kansas state park.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.