Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

The site of a popular piano lounge owned by a former world champion boxer is now a place to rent a truck.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

A towering bronze statue memorializes the founding father of postwar American conservatism.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The largest of London's subterranean rivers and once a mad, bad center of London life.

East London art gallery showcasing contemporary art from Europe's Eastern Bloc.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

London's largest outsider art museum.

An exercise in radical design and social living that became the epicenter of Soviet spy networks in London.

A network of concealed passageways lies within a busy London Underground station.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

An unassuming London park is actually a pilgrimage site for modern clowns.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

Ride in 1960s style on the private luxury train Marshal Josip Tito used to travel around Yugoslavia.

A pair of connected skyscrapers form this symbolic gateway.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

A field filled with carved medieval tombstones called stećak.

Longest fortress system anywhere in Europe.