One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

This Costa Rican topiary park is a surreal garden of unearthly delights.

Sloth rehabilitation center in the jungle of Costa Rica.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Fiery-hot river rocks make soup sizzle at this restaurant showcasing indigenous Chinantec cuisine.

A hip bar decorated with walls of golden skulls.

Avoid gangster interaction while window-shopping.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Underneath the bustling city streets, a hydroponic farm grows unique herbs in an urban oasis.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

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

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

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

A celebration of capitalism in Midtown.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

Exceptional Nepalese food can be found in a Texas gas station.

A mysteriously abandoned campsite in San Angelo State Park.