Also known as the Founding Church of Scientology.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

The historic home of an educator, abolitionist, activist, and poet.

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

Obscure Freemasons still live in D.C.’s largest private residence.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

These unusual rooms on wheels are holdovers from the 1960s.

In 1998, Larry Page and Sergey Brin briefly ran their fledgling company from this Silicon Valley garage.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This only museum in the world dedicated solely to mushrooms.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

Where the lovelorn find a home for their sentimental keepsakes.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

A peculiar museum that includes many drunken tales, a drunk driving simulator, and much more.

This 135-year-old weather station studied the effects of the climate on human health.

The Slovenian architect designed many landmarks in the capital city, including his own dream house.

Colorful power station with a chimney equipped with a gallery for exhaust monitoring equipment.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

This small Slovenian town has become a magnet for microbreweries.

This 14th-century monastery survived Turkish raids, Nazi occupation, and even a stint as a spot to store towels.