Hoax, mistake, or evidence of dinosaurs in human times?

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A Buddhist theme park brings you a Buddhist version of Hell.

Singapore's landscaping project is home to 18 incredible Supertrees.

Roman ruins top white travertine terraces formed by ancient hot springs.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Elevated freight railway turned wildly successful urban park.

The first American department store, and home to the largest operating musical instrument in the world.

Century-old shop, specializing in Occult products.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A layered tribute to the work of mosaicist Isaiah Zagar.

Famously misunderstood wonder of the ancient world

A battle between nature and architecture in the Cambodian jungle.

Macabre astrological automaton clock dating to the late 1400s.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

A unique sculpture park that specializes in the huge and bizarre.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Yo, Adrian!