After years of being casually peed on by humans, this tree is peeing back.

Thousands of flowers create enchanting pink tunnels over the city streets.

No need to strap in for a "ride" on this walkable roller coaster.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A labyrinth of clothing, electronics, and other counterfeit items.

Thousands of locks professing undying devotion line the metal chains of Lotus Peak.

Beneath the most controversial monument in Mexico City is a cultural center that exhibits only digital art.

Three sinkholes filled with warm, crystal-clear water reached by a horse-driven cart on an old train track through the jungle.

Is there such thing as too many fruit bats? Not anymore.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Visitors can swim with vicious predators in Crocosaurus Cove's plastic daredevil enclosure.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Australian Lake set aglow by Noctiluca Scintillans.

An Australian lake whose pink hue defies scientific explanation.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

One of the world's largest ice festivals dazzles visitors for over a month with radiant sculptures and carvings.

This psychedelic tourist trap is a leisurely descent into madness.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

The first green space constructed on an elevated viaduct.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.