This overlooked gem outside Niagara Falls preserves and celebrates Iroquois culture.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

The spot where Oxford garnered its name was also home to a medieval philosopher and includes a house covered in statues.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

Oxford University's stateliest library seems designed to make students truly feel the weight of knowledge.

More than 5,000 contemporary and "historic" mustards from around the world.

A dreamlike medieval church dug into the tuff rock, with unusual carvings and possible traces of the Templar knights.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

This magnificent Cincinnati graveyard is also a popular public park.

Where beautiful signs live on forever.

Step back in time while shopping inside this local store.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

This unconventional used book store was once in the news for the surprising act of burning books.

20,000 pieces in a Frank Gehry-designed building.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

What started as a way to address damp basement walls turned into a house filled with intricate hand-carved designs.

Used as an example in one of the first dictionary entries for "museum" in 1706.

The only arched bridge made of stone on the entire Mississippi River.

When waves crash onto this section of beach, the rocks sing a song.

A unique gallery chronicles the losers of American presidential history.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.