Once the largest gravity dam in the world.

One of the oldest baseball fields in continuous use has been hosting games since 1878.

The composer did some of his finest work in this country home, including "The Nutcracker."

An 80-year-old house built out of newspapers.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

This memorial honors those who served on Gallops Island Radio Training Station during the second World War.

Salute the leader of the proletariat.

There must be a pun in this haystack somewhere...

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

An abandoned Soviet-era park that, when viewed from the air, looks like a pentagram.

One of the most horrible legacies of the Cold War is a site where the Soviet Union tested nuclear bombs on civilians.

Avenue of trees planted by cosmonauts before their space departures.

The remains of a monument in the remote Kazakhstani desert dedicated to the only men to die in outer space, the crew of the Soyuz 11 rocket.

World's oldest and largest space launch facility, once a secret missile testing site.

A brilliant turquoise lake in the mountains.

This exuberantly curated landscape is one of the largest sculpture gardens in Canada.

A patch of contaminated land reclaimed as a scrappy sculptural oasis.

This indiscriminate collection of audio antiques is trying to preserve the history of the audio industry one vintage appliance at a time.

A historic Montreal market that was the city's agricultural hub for over century.

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

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.