This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

Legend says this sacred tree was a gift from goddess Athena.

An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

A remarkable feat of Victorian engineering across the Firth of Forth.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

This statue honors the author's groundbreaking family story.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

The only arched bridge made of stone on the entire Mississippi River.

Baltimore's first skyscraper may be home to the inspiration behind pulp fiction's most celebrated bird.

The exorbitant price of paradise.

A 250 million-year-old rock formation has earned a rather unique nickname.

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

This bird-shaped rock formation defies gravity, time, and classification.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

This pharmacist and his patient greet visitors to the National Community Pharmacists Association.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

This is one of the last surviving structures of a once vast palace complex.