Medical and zoological curiosities for sale.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

On the Oregon coast is a natural hole that seems to be draining the sea.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's largest collection of serial killer artwork and other macabre exhibits.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

The statue of the famous elephant who was the original source of the word "jumbo".

A small museum houses a long, rich history of life and death on Lake Erie — from famous shipwrecks to rum smugglers.

The World's First 24 Hour Coin-Operated Art Gallery!! Plastic, Styrofoam, and Elvis--If you can't get rid of it, you might as well worship it!!

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

The colorful, smiling concrete silos of Vancouver.

This historic Victorian hotel has a scandalous history of affairs and murder.

The flock of plastic poultry is an ode to the classic comedy staple.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

10,000 flowered plants bloom in the City of Roses.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.