100 massive sculptures in the Hudson River Valley.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Cryptic messages embedded in the New York City sidewalk.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The celebrated eyesore created by starry-eyed sweethearts.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

A snapshot of the city's fascinating voodoo culture.

The curiosities and wonders of pharmacy in a delightful historic building.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

A man-made island in scenic San Francisco Bay.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

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

One of the first big sculptures anywhere in Australia.

Three-story concrete ram with a permanent gift shop.

This massive water spout has been luring visitors for hundreds of years, some to their death.

The largest necropolis in the Southern Hemisphere.

Australian museum dedicated to human health and lack thereof.

One of Australia's largest secondhand bookstores.

Come for the flowers, stay for the bats!

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

An artist's cute bronze subway sculptures belie his violent artistic past.

Lie in a hammock where George Washington stood.