A collection of haunted objects and macabre oddities under one roof.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A lush indoor jungle fills this bustling Madrid transportation hub.

The morbid items in this small and hidden museum are not for the weak stomached.

The largest cactus farm in Africa.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Continuing the tradition of the dime museum in style.

Most-visited and most-photographed slot canyon in the American Southwest.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

This San Diego museum, housed in a former Navy training facility, is dedicated to preserving women’s historic achievements.

A cobblestone alley with an interesting past.

A nursery specializing in strange and beautiful succulents and cacti.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

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

The summer tourists on these cliffs are thousands of seabirds.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."