This semi-secret storybook hedge maze is also the oldest garden in the city.

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

The two massive guns that defended Cartagena Bay.

The first declared National Monument in the United States.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One man's ambition created this psychedelic log home.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

An unusual geological feature towers over the remains of a dark episode in United States history.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

Thailand's tribute to the original "Siamese Twins" Chang and Eng, in the town the famous pair was born in.

The Thai Army has dug deep trenches along the Thai/Myanmar border to prevent drug smuggling.

This small patch of land is the final resting for these communication relics of the past.

A mile-long navigable cave adorned with stalactites and stalagmites reaching up to 65 feet tall.

A phallic shrine to a princess goddess in Krabi, Thailand.

A three-table eatery sits inside the home-kitchen of a seafood virtuoso in Bangkok's Chinatown.

Its tremendous toad is actually a five-story museum and viewing platform.

Gruesome statues of people reborn in Buddhist hell stand among the ruins of an 11th-century sanctuary.

On the small Thai island of Ko Mak, there is a forgotten garden of erotic statuary.

Grotesque statues of figures from Buddhist hell haunt the temple's Sin Park.

The skeletons, demons, and corpses serve as a warning of the terrors of Buddhist Hell.

This extensive collection of dead bugs may be the world's most idiosyncratic and personal insect museum.