America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

One of London’s rare Tudor-era buildings is a fate-defying gatehouse for a church.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

A living memorial to the trees London lost during the Great Storm of 1987.

Art under your feet honors the history of a working-class London neighborhood.

One of America's founding fathers lived in this London lodging between 1757 and 1775.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

One of the figures in this Celtic sculpture continues to puzzle archaeologists.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A naturally mummified 2,000-year-old man.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

In this subterranean brick arcade, a small shop continues the ancient practice of bookbinding.

The first regular high-definition TV transmissions were made from this seemingly out-of-place mast located on one corner of a Victorian-era entertainment venue.

This amazingly preserved Gold Rush town is a historian's dream.

What's that on the side of that building? Va Va Voom, it's Bettie!

The first park built over a freeway is a brutalist masterwork.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

In the absence of a Chinese-language newspaper, for years the community posted daily updates on this simple bulletin board.

This edible park is open to any and all foragers.

A bookstore with an entire room dedicated to damaged and forlorn comic books.