One of the world's largest model railroads is a mind-boggling achievement.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

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

A local prank turned town icon.

A bronze ballot box stands at the spot where Susan B. Anthony voted illegally.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Three prestigious academic collections come together to create a world-class natural history museum.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Home to items never before seen by the public.

Look closely and you’ll notice that the color changes a third of the way up the tower.

This jail which was in service for over a century is now open for curious visitors.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Hear the quietest sound from across the dome.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.