This Scottish castle has witnessed clan rivalries, Jacobite uprisings, whisky smuggling, and more.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

This postmodern apartment block was designed to be a vertical neighborhood.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

These otherworldly caverns form Earth's oldest known cave system.

These circular ruins are all that remain of a 17th-century Arctic whaling outpost.

Many rock climbers have come to conquer this slender sea stack, with various degrees of success.

This mechanical clock performs "Romeo and Juliet" in a Shakespeare-themed New Zealand town.

The Earth's saltiest natural body of water belches toxic gas.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

A modern museum dedicated to the fairytales and dictionary work of the Brothers Grimm.

One of the world's smallest prisons boasts just two small cells.

This dragon-shaped sports arena is the world’s largest solar-powered stadium.

The world’s oldest baseball field had to fight to earn its record.

The world's shortest funicular ferries beachgoers a whopping 128 feet from clifftop to shore.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

One of the world's largest shopping malls covers an area of 15 million square feet—and it's still set to grow.

This mile-wide crater high in the mountains of Indonesia is the largest gold mine in the world.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

This fortress played a key role in the battle that would ultimately give rise to the Maratha Empire.

You'll find rocket launchers, not rollercoasters, at Russia's “military Disneyland.”

Florence’s mother built a stairway down to her daughter’s coffin so she could comfort her during storms.

This sports stadium was made from 25,000 cypress trees and ranks among the world's largest wooden domes.