America's greatest forgotten garden and the former stomping grounds of Son of Sam.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

Elevated freight railway turned wildly successful urban park.

A once grand hotel is being retaken by the wilderness it once capitalized on.

A peaceful international sculpture garden in upstate New York.

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

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A sliver of nostalgia in Seattle's Viretta Park.

A giant Troll lurks under one of Seattle's oldest bridges.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

Guatemalan womanizer, venerated during Holy Week.

A collection of heirloom roses tucked in a spectacularly beautiful botanical garden on Lake Atitlan.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

How did a French journalist’s grave become the sexiest statue in the cemetery?

The first green space constructed on an elevated viaduct.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

Iran's "Rose Garden Palace," built during 131 years of rule by Qajar kings, consists of 17 stunning structures.

17th century mosque for Shah Abbas' harem.

Take a dip in the world's largest mineral hot springs pool.

A museum dedicated to the alleged Roswell Incident.

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.