On Japan's Tashirojima Island, cats are king.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

This former royal palace with gorgeous gardens became the first museum in Morocco.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

The shape of this old salt factory complex was inspired by the course of the Sun.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

One of the cave cities of Crimea, built by the Goths in the sixth century.

A countryside Romanian cemetery filled with colorful crosses bearing lyrical, ironic, or satirical rhymes.

Coast along one of Japan’s mountain railways for coveted views of magnificent hydrangeas.

A moody and picturesque riverside ruin overgrown with vegetation.

One of the largest cat sanctuaries in North America is considered a "Club Med" for felines.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

Who knew the Devil's domain was a hot spot for tubing?

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

In Mumbai, a bright blue synagogue is the largest one for the Baghdadi Jewish community in Asia.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

This feline raises a friendly paw at drivers barreling toward the freeway.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

Mexico's largest collection of masks is found in the ruins of an abandoned convent.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

A spiritual sanctuary in a natural cave.