Major tourist destination known for its bubbling mud-pools and hot thermal springs.

A Maori village obliterated by an 1886 volcanic eruption.

Marvel of green building techniques that sings with the wind.

A chilling monument to Korean patriots who resisted the Japanese occupation.

The largest hewn stone in history.

This ornate mosque is said to hold the remains of Muhammad's granddaughter beneath its dome of pure gold.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

Ozymandias’ time-keeping temple.

A modest park memorial pays tribute to one of the Titanic's most revered storylines.

Twelve sculptures designed to make their best showing with the coming or going of the sun.

The deadliest diving spot in the world is also a stunning geological marvel.

Charnel house at the foot of Mount Sinai.

Fascinating town where normal life interfaces with the occult.

Three-story concrete ram with a permanent gift shop.

Children's playground hidden under a big pink and blue cap.

One man's artistic vision is a small town government's legal battle.

King Ludwig I's collection of beautiful women.

The prototype for all Nazi concentration camps.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

A moving memorial to the fallen and missing from WWI trenches.