A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A natural arch offers panoramic views of Yangshuo's karst hills.

The ancient tomb acts as a calendar that keeps perfect time.

Abandoned railway line circling the city of Paris.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

This once luxurious Catskills resort is now a haunting ruin.

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

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

Sniff the Titan Arum's rotting flesh.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

Bridge that died in war and was resurected.

Space-age monument to an early 20th-century uprising.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

This huge metal monument is slowly being stripped to its concrete skeleton.

These warring psychedelic crags commemorate an unsuccessful military operation.

A toxic ghost town sitting atop a massive coal fire.

Mysterious rocks that ring musically when struck.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

One of only two remaining Victorian-era greenhouses in New York.