Enigmatic tombs and cave dwellings on the outskirts of a rural village.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

A giant portrait of an ancient king looms over the river.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

The largest geyser field in the southern hemisphere is a spectacular sight.

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

A whimsical European-style chateau that calls the coast of Chile home.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A "miracle" that seems to produce more holy fistfights than holy revelations.

This lone pillar is all that remains of a 19th-century asylum.

This 19th-century convent is now a flourishing 21st-century hub for art.

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

A barbarous band of serpents guard the bases of these Aztec temples.

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

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

A colorful street named for the legendary Australian rock band.

These bronze sculptures sow whimsy by hamming it up on a pedestrian mall.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

Mysterious Incan ruins on a tiny island in Lake Titicaca.