One man's ambition created this psychedelic log home.

A massive Montreal stadium that has seen nothing but trouble since its inception.

The final resting place of some of Staten Island's earliest settlers and their descendants.

Final resting place of two dozen New York City harbor ships.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

The floor-to-ceiling collection in an old factory is a unique alternative to stuffy galleries.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Museum dedicated to the terror regimes of Hungary.

All that remains of the once-booming chain is a single orange-roofed restaurant.

This throwback amusement park is home to rides and unique storybook figures from the past.

A mysterious echo seems to defy the laws of acoustics.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

Commonly acknowledged as the only public monument to the Devil himself.

An ancient Egyptian temple in the middle of Madrid, Spain.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

This stunning Connecticut mansion is actually just a one-room-deep hoax.