Bizarre lunar-like landscape with thousands of large stone "hoodoos."

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

The eroded core of an ancient volcano is now accessible by a short hike.

The formidable fowl can be found standing near an isolated hiking path.

The only residents of this abandoned housing development full of identical castles are stray cats and dogs.

A mere dot on the map in the great north woods is the first place in America to vote in Presidential elections.

An endless sea of white conical domes.

An alien landscape of chalk-rock in the Egyptian desert.

Hundreds of personalized inscribed planks make up this historic boardwalk.

A small museum dedicated to taking the taboo out of all things related to poo.

Located in the remote Monitor Valley, this travertine bowl contains a scalding pool of water.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

The honor of highest point in Michigan was almost given to the wrong peak before this mountain won out by 11 inches.

Large one-man sculpture park in Michigan.

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

This giant squid sculpture sits near the spot where a real-life specimen was captured in the late 19th-century.

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

The Andean town where every single building is decorated with a brightly colored frieze.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

Covering 37 subterranean acres, this Armillaria gallic is a famous fungus with its own festival.

The New England cabin where an infamous British occultist conducted experiments in "magick".