Most-visited and most-photographed slot canyon in the American Southwest.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

Massachusetts memorial to murder victim Elizabeth Short near the spot where she was born.

A peaceful international sculpture garden in upstate New York.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This monument honors the life of a long-suffering lion whose story captivated the world.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

One of the biggest markets in Asia, under one of the continent's largest domes.

You'll find just about anything in this funky Tbilisi flea market.

An exquisite and eclectic selection of African masks stands out within a massive woodcarving marketplace.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

A historical home in upstate New York honors the work of John W. Jones, a formerly enslaved man who was a major agent for the Underground Railroad.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

The library of every book lover's dreams.