Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

See massive fossils that are over 200 million years old in northeastern Arizona.

A taste of the macabre Tokyo's ritzy shopping district.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Rare recess caves fill this unbelievably beautiful Ohio park.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

A technicolor place of worship for Elevationists.

On Japan's Tashirojima Island, cats are king.

Many of the murals covering this sleepy Florida town hide some sort of intentional error.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

An artsy hidden staircase leads to breathtaking views of San Francisco.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

Where school buses go to die and be reborn as whimsical works of art.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

This massive redwood tree has a hole in the base big enough to drive through.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

The world's largest squirrel statue clutches a pecan bigger than your head.