The hallucinogenic center of the ancient world.

A remnant of the Roman army's presence on the coast of Scotland.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

World-famous, Pink's still manages to keep its prized cult fetish status.

For roadside fast food, pull over at the giant orange.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

Legend says this sacred tree was a gift from goddess Athena.

This enchanting hill is home to fairy lore and a sinister local mystery.

Largest lake in Great Britain measured by surface area.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

An eccentric aristocrat brought these Australian natives to their current Scottish home.

The remains of an anti-aircraft battery from World War II look out over Glasgow.

This mural condenses 96 miles of one of Scotland's best-known trails into a unique art display.

Remnants of the Roman empire's northern frontier nestled in suburban Glasgow.

Three large boulders covered in mysterious carvings and graffiti.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

This Roman underground canal was the longest tunnel ever built until the late 19th-century.