This tree was extinct for a thousand years before sprouting again from a 2,000-year-old seed.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

This lovely public park has an intriguing past and unique wooden bridges made of concrete.

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

An experimental forest at the foreground of arboreal science is also the canary in the coal mine for climate change.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

A part of the world's largest marsh seems to be growing bright red Martian grass.

The centuries old trees lining both sides of this dirt road may become Madagascar's first natural monument.

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

This failed condo development was reborn as a street art hub.

This crescent-shaped sliver of sand is a magical haven for a herd of feral horses.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Puzzling...this tree looks like an assemblage of dismembered monkey limbs.

The only free-standing, vertical sundial in the US was keeping standard time before it was even invented.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

Thousands of well-dressed mummies below a monastery.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

A beautifully eclectic mix of architectural styles.