For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

These barriers stand as stark reminders of Northern Ireland's troubled past.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

A museum marks and documents the site of the Titanic's launch.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

Macabre astrological automaton clock dating to the late 1400s.

Bohemian paradise covered in majestic forests.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

Descend into the tunnels to experience the life of a coal miner.

Apartment complexes built into huge repurposed natural gas tanks.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Op-art architecture designed for happiness.

Two giant painted cooling towers make for one of the world’s most epic bungee jumps.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

A striking depiction of Teotihuacan's mysterious "Spider Woman."

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

The former house of an anthropologist couple displays Lacandón Maya artifacts in a homey atmosphere.

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

An incredible collection of Mesoamerican art assembled by one of Mexico's great artists.

The stoutest tree in the world.

A series of abstract sculptures pop up from an otherworldly volcanic landscape.

This mid-century mural portrays humankind's spiritual and scientific journey.

A gigantic, symbolic artwork covers the side of the building.