Provincetown's night owls flock to this 52-year-old pizza joint.

P-town goes wild for the malassadas at this 87-year-old institution.

This historic fort spans more the 300 years.

The now-serene site of the largest earthquake ever recorded in North America.

The remains of one of Wales’ great medieval buildings, with a pub in the cellar.

The most photographed house in Maine looks good enough to eat.

The most impressive of Basel's three remaining city gates.

This is Britain's one and only clock concealed in the pavement.

The world's largest collection of fire-fighting items dating back almost 350 years.

A futuristic rocket marks the spot where three borders meet.

A 19th-century relic of timekeeping.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

See four top-secret US spy aircraft of the Cold War era, including the legendary SR-71 Blackbird and the A-12 Oxcart.

Designed by Gustave Eiffel before his famed tower.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

A treasure hunter's tiny bar, harboring celebrities since 1959.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

A shockingly detailed small scale recreation of the temples of Abu Simbel.

A museum dedicated to restoring vintage aircraft, located at a working airport.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.