Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A spectacular cave and a beguiling lake.

An Aztec snake god has taken the material form of an apartment complex.

Stay in a room with a view... of the bottom of the ocean.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Surreal riveted sea forts once protected the Kent shores from German attack.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Rare recess caves fill this unbelievably beautiful Ohio park.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

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

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

A mysterious artist-run cabinet of curiosities and library.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

The hallucinogenic center of the ancient world.

Walk 2,300 feet above the ground on the "Troll's Tongue."

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Houses are tucked between, on, and underneath giant boulders.

A 18th century graveyard and its astonishing cortege of macabre iconography.

One of the last Jazz Age "Wonder Theaters" in New York City.