The anatomical-pathological collection of a man who changed surgery.

Hear the quietest sound from across the dome.

Remnants of a Victorian garden feature sitting in public woodland.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A kaleidoscopic warehouse-maze of handmade neon signs.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

"Mock all and sundry things, but leave the saints alone."

There's nothing shrimpy about the world's largest artificial prawn.

A statue in the Texas town that proudly calls itself the killer bee capital of the world.

Art and a pun, all in one.

A collection of abandoned typographic signs from Berlin and beyond.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A derelict bit of transportation infrastructure hidden in the woods.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.