All that remains of an ancient royal palace is a water channel that was used for drinking games.

Numerical symbolism abound at East Asia's oldest observatory.

According to legend, those who pray at this statue will also be granted a wish.

South Korea's only sex-themed park.

A theme park made of glass, from the gleaming books on the shelves to the crystal fish in the mirror lake.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The tallest mountain in mainland Australia.

On the outskirts of an opal-mining town, these baths fed by a massive underground aquifer are a natural spa.

An engineering masterpiece, or “Scheme of Madness?”

The decommissioned submarine is now the symbol of a small, inland Australian town.

Bomb tests and sheep ranchers share the world's largest military land base.

From a distance, this statue of an eagle looks like a giant chicken on a stick.

With a surface area of nearly 500 square meters, welcome to the world's largest paraboloidal dish solar concentrator.

This roadside attraction became locally famous for its unintentionally phallic shape.

A small mountain cave tucked away along Kings Highway has become a shrine to the beloved character.

It's home to the antenna that received the first images of Neil Armstrong walking on the moon.

Honoring the annual National Cherry Festival.

The gigantic preserved heart of a champion racehorse.

This giant trout was made by a singular fisherman who wanted to honor his local trade.

Outside the National Dinosaur Museum, dozens of dinosaur statues and sculptures claim the landscape.

Three-story concrete ram with a permanent gift shop.

A microcosm of the whaling industry in a small Australian town.

This copper-coated, multi-arched dome is surrounded by a moat and lights up at night.