An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

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

Stolen goods adorn the organ at Old North Church.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

The museum chronicling a treasure hunter's dream, fulfilled.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A centuries-old church stands as a testament to Boston's "father of architecture."

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

A monument celebrating the idea of reaching inaccessible places.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

An entire town preserved as a historic landmark.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

Friction between grains of sand cause a curious "singing" sound.

A massive Montreal stadium that has seen nothing but trouble since its inception.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.